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

[Q]: rachel bought 8 music albums online . if each album had 2 songs how many songs did she buy total ?
[A]: 16

[Q]: the last place that he went to was the city animal shelter . there he donated some money to make sure the dogs and cats there are being taken care of . if there are 645 cats and 567 dogs there how many animals are there in the shelter ?
[A]: 1212

[Q]: after paying 6 dollars for the pie sandy has 57 dollars left . how much money did she have before buying the pie ?
[A]:
63