instruction:
You are given a math word problem and you are supposed to apply a single mathematical operator like addition, subtraction, multiplication, or division on the numbers embedded in the text to answer the following question and then only report the final numerical answer.
question:
billy bought 7 boxes of candy with each box having 3 pieces inside of it . how many pieces of candy did he have totaled ?
answer:
21

question:
next on his checklist are wax glues to stick the feathers together . if the feathers require 469 g of wax and right now he just needs 257 g how many grams of wax glue does he already have ?
answer:
212

question:
robin bought 11 sodas for her and her friends . if they only drank 3 of them how many extras did she have ?
answer:
8