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: Sara has 3 green and 5 red marbles . Tom has 4 green marbles . How many green marbles do they have in total ?

SOLUTION: 7

PROBLEM: Jazmin had 1209 dolls and Geraldine had 2186 dolls . If they put their dolls together , how many would they have ?

SOLUTION: 3395

PROBLEM: Jason found 49 seashells and 48 starfish on the beach . He gave 13 of the seashells to Tim . How many seashells does Jason now have ?

SOLUTION:
36