instruction:
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.
question:
Frank worked 8 hours on the first 4 days of the week . How many hours did he work in all ?
answer:
32

question:
Mrs. Hilt bought a yoyo for 24 cents and a whistle for 14 cents . How much did she spend in all for the two toys ?
answer:
38

question:
Sean has 9 apples . Susan gives Sean 8 more . Later , Sean buys 18 tickets at the store . How many apples does Sean have in all ?
answer:
17