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

Q: Robin had 30 songs on her mp3 player . If she deleted 8 old songs from it and then added 10 new songs , how many songs does she have on her mp3 player ?

A: 32
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Q: Ned was trying to expand his game collection . He bought 11 games from a friend and bought 22 more at a garage sale . If 19 of the games did n't work , how many good games did he end up with ?

A: 14
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Q: Tim had 50 cents . He paid 45 cents for a candy bar . How much change will he get ?

A:
5
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