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

Ex Input:
Problem: a room 5 m 55 cm long and 3 m 74 cm broad is to be paved with square tiles . find the least number of square tiles required to cover the floor ?

Ex Output:
17


Ex Input:
Problem: what is the remainder when 1201 × 1202 × 1205 × 1207 is divided by 6 ?

Ex Output:
4


Ex Input:
Problem: cathy and jim begin running at the same time and they start at the same place on a straight path . cathy runs at 10 miles per hour , and jim runs at 6 miles per hour . after 18 minutes , cathy stops to stretch . if it takes cathy 27 minutes to stretch and jim continues to run during this time , how many minutes will it take cathy to catch up to jim ?

Ex Output:

22.5