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

[EX Q]: Problem: how many positive integers less than 20 can be expressed as the sum of a positive multiple of 2 and a positive multiple of 3 ?
[EX A]: 14

[EX Q]: Problem: the sum of two consecutive numbers is 37 . what are they ?
[EX A]: 18 and 19

[EX Q]: Problem: if 40 sheep eat 40 bags of grass in 40 days . in how many days one sheep will eat one bag of grass ?
[EX A]:
40