TASK DEFINITION: You are given a math word problem and you are supposed to apply a single mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report final the numerical answer.
PROBLEM: Megan had 49 markers . Robert gave her 39 more markers . How many markers does Megan have altogether ?

SOLUTION: 88

PROBLEM: Mary went to the mall . She spent $ 13.04 on a shirt and $ 12.27 on a jacket . She went to 2 shops . In total , how much money did Mary spend on clothing ?

SOLUTION: 25.31

PROBLEM: Sally picked 7 lemons and Mary picked 9 lemons from the lemon tree . How many lemons were picked in total ?

SOLUTION:
16