You are given a math word problem and you are supposed to apply a single mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report final the numerical answer.

Q: The school is planning a field trip . There are 28 students and 7 seats on each school bus . How many buses are needed to take the trip ?

A: 4
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Q: Sara has 3 green and 5 red marbles . Tom has 4 green marbles . How many green marbles do they have in total ?

A: 7
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Q: Mrs. Hilt read 4 books . Each book had 17 chapters in it . How many chapters did Mrs. Hilt read ?

A:
68
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