You are given a math word problem and you are supposed to apply multiplication or division mathematical operators 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: Shirley sold 20 boxes of Do - Si - Dos . How many cases of 4 boxes , plus extra boxes does Shirley need to deliver ?

Answer: 5


Question: Peter has 3 candies stored in boxes . If there are 3 boxes , how many candies must go in each box ?

Answer: 1


Question: A worksheet had 7 problems on it . If a teacher had 17 worksheets to grade and had already graded 8 of them , how many more problems does she have to grade ?

Answer:
63