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

Example Input: Problem: how many multiples of 7 are there between 10 and 100 ( both are inclusive ) ?
Example Output: 13

Example Input: Problem: a store reduced the price of all items in the store by 12 % on the first day and by another 10 % on the second day . the price of items on the second day was what percent of the price before the first reduction took place ?
Example Output: 79.2

Example Input: Problem: the average of first 10 odd numbers is ?
Example Output:
10