TASK DEFINITION: You are given a math word problem and you are supposed to apply multiple mathematical operators 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: A toy store had 6 giant stuffed bears in stock when they got another shipment with 18 bears in it . The put the bears onto shelves with 6 on each shelf . How many shelves did they use ?

SOLUTION: 4

PROBLEM: A company invited 47 people to a luncheon , but 7 of them did n't show up . If the tables they had held 5 people each , how many tables do they need ?

SOLUTION: 8

PROBLEM: Adam had 48 books . If he sold 19 of them and used the money he earned to buy 38 new books , how many books would Adam have ?

SOLUTION:
67