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: Harry Hound had a terrible earache yesterday . When I peered into his ears yesterday , I found 36 frisky fleas having a party in his right ear and 85 baby fleas sleeping peacefully in his left ear . I cleaned out Harry Hound 's ears . How many fleas perished ?

SOLUTION: 121

PROBLEM: A car company produced 3884 cars in North America and 2871 cars in Europe . How many cars is that in all ?

SOLUTION: 6755

PROBLEM: Connie has 323 marbles . Juan has 175 more marbles than Connie . How many marbles does Juan have ?

SOLUTION:
498