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

Ex 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 ?

Ex Output:
79.2


Ex Input:
Problem: if ( 2 ^ 16 ) ( 25 ^ s ) = 5 ( 10 ^ m ) what is the value of m ?

Ex Output:
16


Ex Input:
Problem: if a tire rotates at 400 revolutions per minute when the car is traveling 48 km / h , what is the circumference of the tire ?

Ex Output:

2 meters