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: Robin had 30 songs on her mp3 player . If she deleted 8 old songs from it and then added 10 new songs , how many songs does she have on her mp3 player ?

SOLUTION: 32

PROBLEM: A waitress put leftover tarts into the fridge on Thursday night . She noticed that the restaurant had 0.08333333333333333 tart filled with cherries , 0.75 tart filled with blueberries , and 0.08333333333333333 tart filled with peaches . How many leftover tarts did the restaurant have in all ?

SOLUTION: 0.9166666666666666

PROBLEM: Henry was helping the cafeteria workers pick up lunch trays , but he could only carry 9 trays at a time . If he had to pick up 29 trays from one table and 52 trays from another , how many trips will he make ?

SOLUTION:
9