public double getValue()
{
double result = 0;
double leftNum = leftNode.getValue();
double rightNum = rightNode.getValue();
switch (operation)
{
case "+":
result = leftNum + rightNum;
break;
case "-":
result = leftNum - rightNum;
break;
case "*":
result = leftNum * rightNum;
break;
case "/":
result = leftNum / rightNum;
break;
default:
Console.WriteLine("Unknown operation");
break;
}
return(result);
}
