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

Input: Consider Input: Problem: after decreasing 24 % in the price of an article costs rs . 684 . find the actual cost of an article ?

Output: 900


Input: Consider Input: Problem: the sum of the even numbers between 1 and n is 89 * 90 , where n is an odd number , then n = ?

Output: 179


Input: Consider Input: Problem: find k if 64 / k = 4 .


Output: 16