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:
Marcus has 210 baseball cards . He has 58 more than Carter . How many baseball cards does Carter have ?
answer:
152


question:
The Silvergrove Public Library used a grant to purchase 2647 books . Now the library has a total of 8582 books . How many books did the library have before the grant ?
answer:
5935


question:
Tim had 50 cents . He paid 45 cents for a candy bar . How much change will he get ?
answer:

5