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.

[Q]: John had 33 socks . If he threw away 19 old ones that did n't fit and bought 13 new ones , how many socks would he have ?
[A]: 27


[Q]: 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 ?
[A]: 18.42


[Q]: Norma starts with 47 bananas . She loses 45 . How many bananas does Norma end with ?
[A]:
2