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:
One pencil weighs 28.3 grams . How much do 5 pencils weigh ?
answer:
141.5


question:
In a video game , each enemy defeated gives you 7 points . If a level has 11 enemies total and you destroy all but 8 of them , how many points would you earn ?
answer:
21


question:
Gwen earned 8 points for each bag of cans she recycled . If she had 4 bags , but did n't recycle 2 of them , how many points would she have earned ?
answer:

16