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

Input: Consider Input: Problem: carl is facing very difficult financial times and can only pay the interest on a $ 10,000 loan he has taken . the bank charges him a quarterly compound rate of 8 % . what is the approximate interest he pays annually ?

Output: 3500


Input: Consider Input: Problem: evaluate : 96385 + 12 * 3 * 25 = ?

Output: 96485


Input: Consider Input: Problem: all the students of class are told to sit in circle shape . here the boy at the 5 th position is exactly opposite to 20 th boy . total number of boys in the class ?


Output: 30