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: Robin was making baggies of cookies with 6 cookies in each bag . If she had 23 chocolate chip cookies and 25 oatmeal cookies , how many baggies could she make ?

A: 8
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Q: Ned had to wash 9 short sleeve shirts and 21 long sleeve shirts before school . If he had only washed 29 of them by the time school started , how many did he not wash ?

A: 1
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Q: In a bag there are 13 red marbles , 5 blue marbles , and 7 green marbles . What percent of the marbles are green ?

A:
28
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