TASK DEFINITION: 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.
PROBLEM: 17 plums were in the basket . more plums were added to the basket . now there are 21 plums . how many plums were added to the basket ?

SOLUTION: 4

PROBLEM: the store has cd 's and dvd 's that you need . how many packs of dvd 's can you buy with 132 dollars if 1 pack costs 12 dollars ?

SOLUTION: 11

PROBLEM: at the arcade billy had won 48 tickets . after buying a yoyo he had 32 tickets left . how many tickets did the yoyo cost ?

SOLUTION:
16