Integer.parseInt(question); ... If only it was so simple ...
You have there a mathematical expression "7/7+9-9*5/5" in infix notation which you want to evalutate and print the result to the user. The way to do that is to convert it to postfix notation also known as Reverse Polish notation using the Shunting-yard algorithm. Once you have converted the expression to postfix evaluating is pretty easy using this algorithm
