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

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

Ex Output:
2


Ex Input:
Problem: a salt manufacturing company produced a total of 2000 tonnes of salt in january of a particular year . starting from february its production increased by 100 tonnes every month over the previous months until the end of the year . find its ave 66 rage daily production for that year ?

Ex Output:
83


Ex Input:
Problem: the largest 4 digit number exactly divisible by 55 is ?

Ex Output:

9955