public int GetCalculation(int num1, int num2) { return(_mathOperation.PerformOperation(num1, num2)); }
public int DivisionOperation(int num1, int num2) { return(_division.PerformOperation(num1, num2)); }
public int SubtractionOperation(int num1, int num2) { return(_subtraction.PerformOperation(num1, num2)); }
public int MultiplicationOperation(int num1, int num2) { return(_multiply.PerformOperation(num1, num2)); }
public int AdditionOperation(int num1, int num2) { return(_addition.PerformOperation(num1, num2)); }