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]: Martha bought 18 small cakes . She has 3 children . She would like to divide the cakes among her children so that each child gets the same amount . How many cakes would each child get ?
[EX A]: 6

[EX Q]: Kelly has 121 Nintendo games . How many does she need to give away so that she will have 22 games left ?
[EX A]: 99

[EX Q]: Kelly had 56 apples . How many more apples does Kelly need to pick to have 105 apples altogether ?
[EX A]:
49