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: Lizette has 813 stamps . Lizette has 125 more stamps than Minerva . How many stamps does Minerva have ?

SOLUTION: 688

PROBLEM: Omar and Karen made egg rolls to share at the school potluck . Omar rolled 219 egg rolls . Karen rolled 229 egg rolls . What is the total number of egg rolls Omar and Karen rolled ?

SOLUTION: 448

PROBLEM: Some insects called aphids attack a large farm . In response , the farmer releases ladybugs onto the fields . There are 12170 ladybugs with spots and 54912 ladybugs without spots . How many ladybugs are there in all ?

SOLUTION:
67082