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 florist had 50 roses . If she sold 15 of them and then later picked 21 more , how many roses would she have ?

SOLUTION: 56

PROBLEM: Luke was putting his spare change into piles . He had 5 piles of quarters and 5 piles of dimes . If each pile had 3 coins in it , how many coins did he have total ?

SOLUTION: 30

PROBLEM: A book store had 4 books in the bargin bin . If they sold 3 books , but then put 10 more in the bin , how many books would be in the bin ?

SOLUTION:
11