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]: Our class got 54 books from the library . Then we got 23 more books from the library . How many books did our class get from the library ?
[A]: 77

[Q]: Sandy had 36 pennies and 31 nickels in her bank . Her dad borrowed 20 nickels from Sandy . How many nickels does she have now ?
[A]: 11

[Q]: There are 4 children in the classroom , each student will get 2 pencils . How many pencils will the teacher have to give out ?
[A]:
8