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

Input: Consider Input: Problem: 300 first - time customers of a fashion store were surveyed for their shopping experience right after leaving the store . 60 % of the customers in the survey had purchased clothes for less than $ 100 . 40 % of the customers in the survey reported they were overall satisfied with their purchase . 45 % of the customers that had purchased clothes for less than $ 100 reported they were overall satisfied with their purchase . what percent of the customers surveyed purchased clothes for at least $ 100 and reported that they were not overall satisfied with their purchase ?

Output: 13


Input: Consider Input: Problem: which number can we add to 425897 to get a number exactly divisible by 456 ?

Output: 7


Input: Consider Input: Problem: if x ⁄ 2 + 9 ⁄ 4 = 5 ⁄ 4 , what is the value of x ?


Output: – 2