You are given a math word problem and you are supposed to apply multiple mathematical operators 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: Mark 's father gave him $ 85 . Mark bought 10 books , each of which cost $ 5 . How much money does Mark have left ?

A: 35
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Q: While shopping for music online , Isabel bought 4 country albums and 5 pop albums . Each album came with a lyric sheet and had 8 songs . How many songs did Isabel buy total ?

A: 72
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Q: At the fair Kaleb bought 6 tickets . After riding the ferris wheel he had 3 tickets left . If each ticket cost 9 dollars , how much money did Kaleb spend riding the ferris wheel ?

A:
27
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