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

Input: Consider Input: Problem: john left home and drove at the rate of 45 mph for 2 hours . he stopped for lunch then drove for another 3 hours at the rate of 45 mph to reach his destination . how many miles did john drive ?

Output: 225 miles .


Input: Consider Input: Problem: if p / q = 3 / 11 , then 2 p + q = ?

Output: 17


Input: Consider Input: Problem: by selling an article at rs . 500 , a profit of 25 % is made . find its cost price ?


Output: 400