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]: on facebook debby had 63 photos of her friends and 23 photos of her family . how many photos did she have total ?
[A]: 86

[Q]: ned gave away 13 of his video games to a friend . now ned has 6 games . how many games did ned have before he gave the games away ?
[A]: 19

[Q]: coach mike bought several cups of lemonade . the girls told him it would cost 58 cents . the coach gave the girls 75 cents . how much change did coach mike get back ?
[A]:
17