A simple calculator accepts the following kinds of strings as input:
- num + num
- num - num
- num * num
- num / num
where num is a positive integer, between 1 and 10000 inclusive.
Find the value produced by the given expression. Here +, -, *, and / denote addition, subtraction, multiplication and division respectively. All operations are done on integers, so "5 / 3" is 1.
One string that a simple calculator accepts.
Print the result of given expression.
3 * 12
16 + 45
19 / 7