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:
A magician was selling magic card decks for 2 dollars each . If he started with 5 decks and by the end of the day he had 3 left , how much money did he earn ?
answer:
4


question:
Ellen went to a garage sale to buy chairs . Each chair is 15 dollars . How much did Ellen spend for the 12 chairs she bought ?
answer:
180


question:
Julian is writing a comic book . His story has 143 frames in all . If he wants to put exactly 11 frames on each page , how many pages would he have ?
answer:

13