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.

Ex Input:
George had 30 dollars . For his birthday he got 16 more dollars but spent 38 on a new game . How much money does he have now ?

Ex Output:
8


Ex Input:
At the fair there were 9 people in line for the bumper cars . If 6 of them got tired of waiting and left and 3 more got in line , how many people would be in line ?

Ex Output:
6


Ex Input:
Lucy has an aquarium with 212 fish . Lucy wants to buy 68 more fish . How many fish would Lucy have then ?

Ex Output:

280