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.

[Q]: You have 7 balloons and your friend has 5 balloons . How many more balloons do you have than your friend ?
[A]: 2


[Q]: There are 79 pencils in a box . Eric takes 4 pencils . How many are left ?
[A]: 75


[Q]: There were 27 boys and 35 girls on the playground at recess . How many children were on the playground at recess ?
[A]:
62