instruction:
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.
question:
Sally earns $ 12.5 an hour cleaning houses . If she works for 12 hours , how much money will she make ?
answer:
150


question:
Marie can bike at a speed of 12 miles an hour . How far can she bike in 31 hours ?
answer:
372


question:
A worksheet had 4 problems on it . If a teacher had 16 worksheets to grade and had already graded 8 of them , how many more problems does she have to grade ?
answer:

32