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: katie had 12 pencils in her desk and 3 more in her backpack . how many did she have total ?

SOLUTION: 15

PROBLEM: billy was making ice using ice trays . each tray held 9 ice cubes . if he had 8 trays how many cubes could he make ?

SOLUTION: 72

PROBLEM: 7 red apples and 2 green apples are in the basket . how many apples are in the basket ?

SOLUTION:
9