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: Gwen had 18 math problems and 11 science problems for homework . If she finished 24 of the problems at school , how many problems did she have to do for homework ?

A: 5
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Q: Harry starts with 79 apples . He buys 5 more . How many apples does Harry end with ?

A: 84
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Q: Brian has 76 cards . Wayne takes 59 away . How many cards will Brian have ?

A:
17
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