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:
Jeremy strolled 20 kilometers at 2 kilometers per hour . How long did Jeremy stroll ?
answer:
10


question:
Ernest starts with 17 crayons . Jennifer takes 6 away . How many crayons does Ernest end with ?
answer:
11


question:
Before December , customers buy 1346 ear muffs from the mall . During December , they buy 6444 more , and there are none left . In all , how many ear muffs do the customers buy ?
answer:

7790