<?xml version="1.0" encoding="utf-8"?>
<linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.xbrl.org/2003/linkbase">
  <roleRef roleURI="http://vei.com/xbrl/2025/roles/ProfitOrLossPlaceholderThisItemMUSTBeUsedAsAStartingPointForTheStatementOfProfitOrLossIfTheStatementOfProfitOrLossIsDisclosedSeparately" xlink:href="VEI-2025-12-31.xsd#ProfitOrLossPlaceholderThisItemMUSTBeUsedAsAStartingPointForTheStatementOfProfitOrLossIfTheStatementOfProfitOrLossIsDisclosedSeparately" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />
  <roleRef roleURI="http://vei.com/xbrl/2025/roles/ProfitOrLossPlaceholderThisItemMUSTBeUsedAsAStartingPointForTheStatementOfProfitOrLossIfTheStatementOfProfitOrLossIsDisclosedSeparately1" xlink:href="VEI-2025-12-31.xsd#ProfitOrLossPlaceholderThisItemMUSTBeUsedAsAStartingPointForTheStatementOfProfitOrLossIfTheStatementOfProfitOrLossIsDisclosedSeparately1" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />
  <roleRef roleURI="http://vei.com/xbrl/2025/roles/StatementOfComprehensiveIncome" xlink:href="VEI-2025-12-31.xsd#StatementOfComprehensiveIncome" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />
  <roleRef roleURI="http://vei.com/xbrl/2025/roles/StatementOfComprehensiveIncome1" xlink:href="VEI-2025-12-31.xsd#StatementOfComprehensiveIncome1" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />
  <roleRef roleURI="http://vei.com/xbrl/2025/roles/StatementOfFinancialPosition" xlink:href="VEI-2025-12-31.xsd#StatementOfFinancialPosition" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />
  <roleRef roleURI="http://vei.com/xbrl/2025/roles/StatementOfCashFlows" xlink:href="VEI-2025-12-31.xsd#StatementOfCashFlows" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />
  <arcroleRef arcroleURI="https://xbrl.org/2023/arcrole/summation-item" xlink:href="https://www.xbrl.org/2023/calculation-1.1.xsd#summation-item" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />
  <calculationLink xlink:role="http://vei.com/xbrl/2025/roles/ProfitOrLossPlaceholderThisItemMUSTBeUsedAsAStartingPointForTheStatementOfProfitOrLossIfTheStatementOfProfitOrLossIsDisclosedSeparately" xlink:type="extended" xmlns:xlink="http://www.w3.org/1999/xlink">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OperatingExpense" xlink:label="ifrs-full_OperatingExpense" />
    <loc xlink:type="locator" xlink:href="VEI-2025-12-31.xsd#VEI_Subcontractors" xlink:label="VEI_Subcontractors" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RawMaterialsAndConsumablesUsed" xlink:label="ifrs-full_RawMaterialsAndConsumablesUsed" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EmployeeBenefitsExpense" xlink:label="ifrs-full_EmployeeBenefitsExpense" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherExpenseByNature" xlink:label="ifrs-full_OtherExpenseByNature" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:label="ifrs-full_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossFromOperatingActivities" xlink:label="ifrs-full_ProfitLossFromOperatingActivities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:label="ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Revenue" xlink:label="ifrs-full_Revenue" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossBeforeTax" xlink:label="ifrs-full_ProfitLossBeforeTax" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinanceIncome" xlink:label="ifrs-full_FinanceIncome" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinanceCosts" xlink:label="ifrs-full_FinanceCosts" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLoss" xlink:label="ifrs-full_ProfitLoss" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:label="ifrs-full_IncomeTaxExpenseContinuingOperations" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_OperatingExpense" xlink:to="VEI_Subcontractors" order="6" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_OperatingExpense" xlink:to="ifrs-full_RawMaterialsAndConsumablesUsed" order="6" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_OperatingExpense" xlink:to="ifrs-full_EmployeeBenefitsExpense" order="6" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_OperatingExpense" xlink:to="ifrs-full_OtherExpenseByNature" order="6" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_OperatingExpense" xlink:to="ifrs-full_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" order="6" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLossFromOperatingActivities" xlink:to="ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" order="8" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLossFromOperatingActivities" xlink:to="ifrs-full_OperatingExpense" order="8" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLossFromOperatingActivities" xlink:to="ifrs-full_Revenue" order="8" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLossBeforeTax" xlink:to="ifrs-full_ProfitLossFromOperatingActivities" order="11" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLossBeforeTax" xlink:to="ifrs-full_FinanceIncome" order="11" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLossBeforeTax" xlink:to="ifrs-full_FinanceCosts" order="11" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLoss" xlink:to="ifrs-full_ProfitLossBeforeTax" order="13" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLoss" xlink:to="ifrs-full_IncomeTaxExpenseContinuingOperations" order="13" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
  </calculationLink>
  <calculationLink xlink:role="http://vei.com/xbrl/2025/roles/ProfitOrLossPlaceholderThisItemMUSTBeUsedAsAStartingPointForTheStatementOfProfitOrLossIfTheStatementOfProfitOrLossIsDisclosedSeparately1" xlink:type="extended" xmlns:xlink="http://www.w3.org/1999/xlink">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLoss" xlink:label="ifrs-full_ProfitLoss" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:label="ifrs-full_ProfitLossAttributableToOwnersOfParent" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xlink:label="ifrs-full_ProfitLossAttributableToNoncontrollingInterests" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLoss" xlink:to="ifrs-full_ProfitLossAttributableToOwnersOfParent" order="13" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLoss" xlink:to="ifrs-full_ProfitLossAttributableToNoncontrollingInterests" order="13" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
  </calculationLink>
  <calculationLink xlink:role="http://vei.com/xbrl/2025/roles/StatementOfComprehensiveIncome" xlink:type="extended" xmlns:xlink="http://www.w3.org/1999/xlink">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComprehensiveIncome" xlink:label="ifrs-full_ComprehensiveIncome" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xlink:label="ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset" xlink:label="ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:label="ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationNetOfTax" xlink:label="ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationNetOfTax" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax" xlink:label="ifrs-full_GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncome" xlink:label="ifrs-full_OtherComprehensiveIncome" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ComprehensiveIncome" xlink:to="ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" order="7" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ComprehensiveIncome" xlink:to="ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" order="7" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xlink:to="ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset" order="2" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:to="ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationNetOfTax" order="5" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:to="ifrs-full_GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax" order="5" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_OtherComprehensiveIncome" xlink:to="ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" order="6" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_OtherComprehensiveIncome" xlink:to="ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" order="6" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
  </calculationLink>
  <calculationLink xlink:role="http://vei.com/xbrl/2025/roles/StatementOfComprehensiveIncome1" xlink:type="extended" xmlns:xlink="http://www.w3.org/1999/xlink">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComprehensiveIncome" xlink:label="ifrs-full_ComprehensiveIncome" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLoss" xlink:label="ifrs-full_ProfitLoss" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncome" xlink:label="ifrs-full_OtherComprehensiveIncome" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ComprehensiveIncome" xlink:to="ifrs-full_ProfitLoss" order="7" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ComprehensiveIncome" xlink:to="ifrs-full_OtherComprehensiveIncome" order="7" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
  </calculationLink>
  <calculationLink xlink:role="http://vei.com/xbrl/2025/roles/StatementOfFinancialPosition" xlink:type="extended" xmlns:xlink="http://www.w3.org/1999/xlink">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentAssets" xlink:label="ifrs-full_NoncurrentAssets" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherNoncurrentFinancialAssets" xlink:label="ifrs-full_OtherNoncurrentFinancialAssets" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InvestmentAccountedForUsingEquityMethod" xlink:label="ifrs-full_InvestmentAccountedForUsingEquityMethod" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentInterestReceivable" xlink:label="ifrs-full_NoncurrentInterestReceivable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Goodwill" xlink:label="ifrs-full_Goodwill" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwill" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DeferredTaxAssets" xlink:label="ifrs-full_DeferredTaxAssets" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RightofuseAssets" xlink:label="ifrs-full_RightofuseAssets" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LandAndBuildings" xlink:label="ifrs-full_LandAndBuildings" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PropertyPlantAndEquipment" xlink:label="ifrs-full_PropertyPlantAndEquipment" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentAssets" xlink:label="ifrs-full_CurrentAssets" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Inventories" xlink:label="ifrs-full_Inventories" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TradeReceivables" xlink:label="ifrs-full_TradeReceivables" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentContractAssets" xlink:label="ifrs-full_CurrentContractAssets" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherCurrentReceivables" xlink:label="ifrs-full_OtherCurrentReceivables" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentFinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue" xlink:label="ifrs-full_CurrentFinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashAndCashEquivalents" xlink:label="ifrs-full_CashAndCashEquivalents" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Equity" xlink:label="ifrs-full_Equity" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IssuedCapital" xlink:label="ifrs-full_IssuedCapital" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherEquityInterest" xlink:label="ifrs-full_OtherEquityInterest" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncontrollingInterests" xlink:label="ifrs-full_NoncontrollingInterests" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentLiabilities" xlink:label="ifrs-full_NoncurrentLiabilities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentPortionOfOtherNoncurrentBorrowings" xlink:label="ifrs-full_NoncurrentPortionOfOtherNoncurrentBorrowings" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherNoncurrentFinancialLiabilities" xlink:label="ifrs-full_OtherNoncurrentFinancialLiabilities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan" xlink:label="ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NetDeferredTaxLiabilities" xlink:label="ifrs-full_NetDeferredTaxLiabilities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentLiabilities" xlink:label="ifrs-full_CurrentLiabilities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:label="ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentContractLiabilities" xlink:label="ifrs-full_CurrentContractLiabilities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax" xlink:label="ifrs-full_CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ShorttermWarrantyProvision" xlink:label="ifrs-full_ShorttermWarrantyProvision" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentTaxLiabilitiesCurrent" xlink:label="ifrs-full_CurrentTaxLiabilitiesCurrent" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherCurrentFinancialLiabilities" xlink:label="ifrs-full_OtherCurrentFinancialLiabilities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ShorttermBorrowings" xlink:label="ifrs-full_ShorttermBorrowings" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentBondsIssuedAndCurrentPortionOfNoncurrentBondsIssued" xlink:label="ifrs-full_CurrentBondsIssuedAndCurrentPortionOfNoncurrentBondsIssued" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_NoncurrentAssets" xlink:to="ifrs-full_OtherNoncurrentFinancialAssets" order="9" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_NoncurrentAssets" xlink:to="ifrs-full_InvestmentAccountedForUsingEquityMethod" order="9" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_NoncurrentAssets" xlink:to="ifrs-full_NoncurrentInterestReceivable" order="9" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_NoncurrentAssets" xlink:to="ifrs-full_Goodwill" order="9" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_NoncurrentAssets" xlink:to="ifrs-full_IntangibleAssetsOtherThanGoodwill" order="9" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_NoncurrentAssets" xlink:to="ifrs-full_DeferredTaxAssets" order="9" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_NoncurrentAssets" xlink:to="ifrs-full_RightofuseAssets" order="9" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_NoncurrentAssets" xlink:to="ifrs-full_LandAndBuildings" order="9" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_NoncurrentAssets" xlink:to="ifrs-full_PropertyPlantAndEquipment" order="9" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CurrentAssets" xlink:to="ifrs-full_Inventories" order="16" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CurrentAssets" xlink:to="ifrs-full_TradeReceivables" order="16" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CurrentAssets" xlink:to="ifrs-full_CurrentContractAssets" order="16" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CurrentAssets" xlink:to="ifrs-full_OtherCurrentReceivables" order="16" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CurrentAssets" xlink:to="ifrs-full_CurrentFinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue" order="16" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CurrentAssets" xlink:to="ifrs-full_CashAndCashEquivalents" order="16" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_CurrentAssets" order="17" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_NoncurrentAssets" order="17" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Equity" xlink:to="ifrs-full_IssuedCapital" order="21" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Equity" xlink:to="ifrs-full_OtherEquityInterest" order="21" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Equity" xlink:to="ifrs-full_NoncontrollingInterests" order="21" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_NoncurrentLiabilities" xlink:to="ifrs-full_NoncurrentPortionOfOtherNoncurrentBorrowings" order="26" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_NoncurrentLiabilities" xlink:to="ifrs-full_OtherNoncurrentFinancialLiabilities" order="26" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_NoncurrentLiabilities" xlink:to="ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan" order="26" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_NoncurrentLiabilities" xlink:to="ifrs-full_NetDeferredTaxLiabilities" order="26" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CurrentLiabilities" xlink:to="ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" order="35" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CurrentLiabilities" xlink:to="ifrs-full_CurrentContractLiabilities" order="35" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CurrentLiabilities" xlink:to="ifrs-full_CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax" order="35" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CurrentLiabilities" xlink:to="ifrs-full_ShorttermWarrantyProvision" order="35" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CurrentLiabilities" xlink:to="ifrs-full_CurrentTaxLiabilitiesCurrent" order="35" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CurrentLiabilities" xlink:to="ifrs-full_OtherCurrentFinancialLiabilities" order="35" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CurrentLiabilities" xlink:to="ifrs-full_ShorttermBorrowings" order="35" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CurrentLiabilities" xlink:to="ifrs-full_CurrentBondsIssuedAndCurrentPortionOfNoncurrentBondsIssued" order="35" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_EquityAndLiabilities" xlink:to="ifrs-full_CurrentLiabilities" order="36" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_EquityAndLiabilities" xlink:to="ifrs-full_NoncurrentLiabilities" order="36" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_EquityAndLiabilities" xlink:to="ifrs-full_Equity" order="36" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
  </calculationLink>
  <calculationLink xlink:role="http://vei.com/xbrl/2025/roles/StatementOfCashFlows" xlink:type="extended" xmlns:xlink="http://www.w3.org/1999/xlink">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:label="ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForSharebasedPayments" xlink:label="ifrs-full_AdjustmentsForSharebasedPayments" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherAdjustmentsForNoncashItems" xlink:label="ifrs-full_OtherAdjustmentsForNoncashItems" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossBeforeTax" xlink:label="ifrs-full_ProfitLossBeforeTax" />
    <loc xlink:type="locator" xlink:href="VEI-2025-12-31.xsd#VEI_AdjustmentForNetInterestCosts" xlink:label="VEI_AdjustmentForNetInterestCosts" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities" xlink:label="ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:label="ifrs-full_AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" />
    <loc xlink:type="locator" xlink:href="VEI-2025-12-31.xsd#VEI_AdjustmentForDepreciationLeaseAgreements" xlink:label="VEI_AdjustmentForDepreciationLeaseAgreements" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment" xlink:label="ifrs-full_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:label="ifrs-full_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivities" />
    <loc xlink:type="locator" xlink:href="VEI-2025-12-31.xsd#VEI_PurchaseOfIntangibleAssetsAndPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:label="VEI_PurchaseOfIntangibleAssetsAndPropertyPlantAndEquipmentClassifiedAsInvestingActivities" />
    <loc xlink:type="locator" xlink:href="VEI-2025-12-31.xsd#VEI_ProceedsFromIntangibleAssetsAndPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:label="VEI_ProceedsFromIntangibleAssetsAndPropertyPlantAndEquipmentClassifiedAsInvestingActivities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:label="ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:label="ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestReceivedClassifiedAsInvestingActivities" xlink:label="ifrs-full_InterestReceivedClassifiedAsInvestingActivities" />
    <loc xlink:type="locator" xlink:href="VEI-2025-12-31.xsd#VEI_OutflowsInflowsOfInvestmentsFinancialPlacementsClassifiedAsInvestingActivities" xlink:label="VEI_OutflowsInflowsOfInvestmentsFinancialPlacementsClassifiedAsInvestingActivities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities" xlink:label="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DividendsPaidToNoncontrollingInterests" xlink:label="ifrs-full_DividendsPaidToNoncontrollingInterests" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities" xlink:label="ifrs-full_DividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProceedsFromNoncurrentBorrowings" xlink:label="ifrs-full_ProceedsFromNoncurrentBorrowings" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RepaymentsOfNoncurrentBorrowings" xlink:label="ifrs-full_RepaymentsOfNoncurrentBorrowings" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProceedsFromCurrentBorrowings" xlink:label="ifrs-full_ProceedsFromCurrentBorrowings" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RepaymentsOfCurrentBorrowings" xlink:label="ifrs-full_RepaymentsOfCurrentBorrowings" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:label="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" />
    <loc xlink:type="locator" xlink:href="VEI-2025-12-31.xsd#VEI_PaymentOfInterestIFRS16Leases" xlink:label="VEI_PaymentOfInterestIFRS16Leases" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:label="ifrs-full_InterestPaidClassifiedAsFinancingActivities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities" xlink:label="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:label="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:to="ifrs-full_AdjustmentsForSharebasedPayments" order="9" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:to="ifrs-full_OtherAdjustmentsForNoncashItems" order="9" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:to="ifrs-full_ProfitLossBeforeTax" order="9" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:to="VEI_AdjustmentForNetInterestCosts" order="9" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:to="ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities" order="9" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:to="ifrs-full_AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" order="9" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:to="VEI_AdjustmentForDepreciationLeaseAgreements" order="9" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:to="ifrs-full_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment" order="9" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:to="ifrs-full_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates" order="9" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities" order="14" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" order="14" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets" order="14" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" order="14" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" order="14" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="VEI_PurchaseOfIntangibleAssetsAndPropertyPlantAndEquipmentClassifiedAsInvestingActivities" order="22" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="VEI_ProceedsFromIntangibleAssetsAndPropertyPlantAndEquipmentClassifiedAsInvestingActivities" order="22" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" order="22" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" order="22" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="ifrs-full_InterestReceivedClassifiedAsInvestingActivities" order="22" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="VEI_OutflowsInflowsOfInvestmentsFinancialPlacementsClassifiedAsInvestingActivities" order="22" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities" order="22" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_DividendsPaidToNoncontrollingInterests" order="33" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_DividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities" order="33" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_ProceedsFromNoncurrentBorrowings" order="33" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_RepaymentsOfNoncurrentBorrowings" order="33" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_ProceedsFromCurrentBorrowings" order="33" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_RepaymentsOfCurrentBorrowings" order="33" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" order="33" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="VEI_PaymentOfInterestIFRS16Leases" order="33" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_InterestPaidClassifiedAsFinancingActivities" order="33" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities" order="33" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:to="ifrs-full_CashFlowsFromUsedInFinancingActivities" order="34" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:to="ifrs-full_CashFlowsFromUsedInInvestingActivities" order="34" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:to="ifrs-full_CashFlowsFromUsedInOperatingActivities" order="34" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
  </calculationLink>
</linkbase>