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: Luke made 9 dollars mowing lawns and 18 dollars weed eating . If he only spent 3 dollar a week , how long would the money last him ?

SOLUTION: 9

PROBLEM: Sara grew 4 onions , Sally grew 5 onions , and Fred grew 9 onions . How many onions did they grow in all ?

SOLUTION: 18

PROBLEM: Cody had 45 dollars . For his birthday he got 9 more dollars but spent 19 on a new game . How much money does he have now ?

SOLUTION:
35