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

[EX Q]: 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 A]: 17

[EX Q]: Problem: a sum of money at simple interest amounts to rs . 815 in 3 years and to rs . 878 in 4 years . the sum is :
[EX A]: 626

[EX Q]: Problem: in a class , 5 people like baseball and football , 2 people only like baseball , 3 people only like football , and 6 people like neither . how many people are in the class ?
[EX A]:
16', 'd ) 20', 'e ) 22'