TASK DEFINITION: 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.
PROBLEM: Joan joined her school 's band . She bought a trumpet for $ 149.16 , a music tool for $ 9.98 , and a song book which was $ 4.14 . Joan found $ 8.65 in her pocket . How much did Joan spend at the music store ?

SOLUTION: 163.28

PROBLEM: A book store had 41 books in the bargin bin . If they sold 33 books , but then put 2 more in the bin , how many books would be in the bin ?

SOLUTION: 10

PROBLEM: Lana picked 36 tulips and 37 roses to make flower bouquets . If she only used 70 of the flowers though , how many extra flowers did Lana pick ?

SOLUTION:
3