instruction:
You are given a math word problem and you are supposed to apply addition or subtraction mathematical operators on the numbers embedded in the text to answer the following question and then only report the final numerical answer.
question:
Fred loves trading cards . He bought 2 packs of football cards for $ 2.73 each , a pack of Pokemon cards for $ 4.01 , and a deck of baseball cards for $ 8.95 . How much did Fred spend on cards ?
answer:
18.42


question:
Tim has 22 books . Mike has 20 books . How many books do they have together ?
answer:
42


question:
Fred loves trading cards . He bought 2 packs of football cards for $ 2.73 each , a pack of Pokemon cards for $ 4.01 , and a deck of baseball cards for $ 8.95 . How much did Fred spend on cards ?
answer:

18.42