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: At a pizza party , Mason and his friends drank 2.6666666666666665 bottles of lemon - lime soda and 2.6666666666666665 bottles of cola . How much soda did they drink in all ?

SOLUTION: 5.333333333333333

PROBLEM: Melanie grew 139 turnips . Benny grew 113 turnips . How many turnips did they grow in all ?

SOLUTION: 252

PROBLEM: Mary had 7 nickels in her bank . Her dad gave her 5 more nickels . How many nickels does Mary have now ?

SOLUTION:
12