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.
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Question: Gwen was organizing her book case making sure each of the shelves had exactly 4 books on it . If she had 5 shelves of mystery books and 3 shelves of picture books , how many books did she have total ?

Answer: 32

Question: Mike made 69 dollars mowing lawns over the summer . If he spent 24 dollars buying new mower blades , how many 5 dollar games could he buy with the money he had left ?

Answer: 9

Question: There are 17 students trying out for the school 's trivia teams . If 5 of them did n't get picked for the team and the rest were put into 3 groups , how many students would be in each group ?

Answer:
4