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: Frank made 19 dollars mowing lawns over the summer . If he spent 11 dollars buying new mower blades , how many 2 dollar games could he buy with the money he had left ?

Answer: 4

Question: Tiffany baked 8 brownies , but needed 17 total for her party . If she used 8 cups of flour on each one , how much cups of flour does she still need ?

Answer: 72

Question: A worksheet had 3 problems on it . If a teacher had 15 worksheets to grade and had already graded 7 of them , how many more problems does she have to grade ?

Answer:
24