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.

Example Input: Rachel was unboxing some of her old winter clothes . She found 7 boxes of clothing and inside each box there were 3 scarves and 4 mittens . How many pieces of winter clothing did Rachel have total ?
Example Output: 49

Example Input: Annie has 6 apples . She gets 6 more from Nathan . Later , Annie buys 10 crayons at the store . How many apples does Annie have in all ?
Example Output: 12

Example Input: There are 2 pencils in the drawer . Tim placed 3 pencils in the drawer . How many pencils are now there in total ?
Example Output:
5