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]: Marlee has 12 guests coming to her Halloween party . Each table will hold 3 guests . How many tables will she need ?
[EX A]: 4

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

[EX Q]: It takes 4 feet of cotton to make a tee - shirt . How many tee - shirts can be made with 60 feet of material ?
[EX A]:
15