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:
A florist had 50 roses . If she sold 15 of them and then later picked 21 more , how many roses would she have ?

Ex Output:
56


Ex Input:
Chloe was unboxing some of her old winter clothes . She found 4 boxes of clothing and inside each box there were 2 scarves and 6 mittens . How many pieces of winter clothing did Chloe have total ?

Ex Output:
32


Ex Input:
At the fair there were 10 people in line for the bumper cars . If 2 of them got tired of waiting and left and 2 more got in line , how many people would be in line ?

Ex Output:

10