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:
Lana was unboxing some of her old winter clothes . She found 3 boxes of clothing and inside each box there were 3 scarves and 4 mittens . How many pieces of winter clothing did Lana have total ?

Ex Output:
21


Ex Input:
At the arcade Cody won 49 tickets . If he spent 25 tickets on a beanie and later won 6 more tickets , how many would he have ?

Ex Output:

30