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

Input: Consider Input: Problem: how many multiples of 7 are there between 10 and 100 ( both are inclusive ) ?

Output: 13


Input: Consider Input: Problem: how many zeroes are there at the end of the number n , if n = 100 ! + 200 ! ?

Output: 2


Input: Consider Input: Problem: the ages of patrick and michael are in the ratio of 3 : 5 and that of michael and monica are in the ratio of 3 : 5 . if the sum of their ages is 148 , what is the difference between the ages of patrick and monica ?


Output: 48