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.

[EX Q]: while playing a video game victor lost 14 lives . now he has 2 lives . what 's the difference between the number of the lives that victor lost and now ?
[EX A]: 12

[EX Q]: paige raised 15 goldfish in the pond but stray cats loved eating them . now she has 4 left . how many goldfish disappeared ?
[EX A]: 11

[EX Q]: the town of milburg has 5256 grown-ups and 2987 children . how many people live in milburg ?
[EX A]:
8243