You are given a math word problem and you are supposed to apply a single mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report final the numerical answer.

[EX Q]: Norma starts with 47 bananas . She loses 45 . How many bananas does Norma end with ?
[EX A]: 2

[EX Q]: Before December , customers buy 1346 ear muffs from the mall . During December , they buy 6444 more , and there are none left . In all , how many ear muffs do the customers buy ?
[EX A]: 7790

[EX Q]: Diane has 37 crayons . She gets 5 more from Frances . Later , Diane buys 16 cards at the store . How many crayons does Diane have in all ?
[EX A]:
42

