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:
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:
There are 97 erasers in a box . Ernest has 17 erasers in a bag . Mark takes 97 erasers out of the box . How many erasers are left in the box ?

Ex Output:
0


Ex Input:
Tori is a school janitor . Last week , she picked up a total of 1576 pieces of trash . If she picked up 344 pieces of trash in the classrooms , how many pieces of trash did Tori pick up outside the classrooms ?

Ex Output:

1232