The task is to generate the correct answer for a given math problem.

Example Input: Problem: if p / q = 3 / 11 , then 2 p + q = ?
Example Output: 17

Example Input: Problem: the area of a triangle is with base 12 m and height 5 m ?
Example Output: 30 m 2

Example Input: Problem: circular gears p and q start rotating at the same time at constant speeds . gear p makes 10 revolutions per minute and gear q makes 40 revolutions per minute . how many seconds after the gears start rotating will gear q have made exactly 45 more revolutions than gear p ?
Example Output:
90