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:
At Billy 's Restaurant a group with 2 adults and 5 children came in to eat . If each meal cost 3 dollars , how much was the bill ?

Ex Output:
21

Ex Input:
Andrew starts with 8 eggs . He buys 62 more . How many eggs does Andrew end with ?

Ex Output:
70

Ex Input:
Arthur has 6 cards . Aaron has with 5 cards . Aaron finds another 62 . How many cards does Aaron end with ?

Ex Output:
67