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: There were 9 girls and 14 boys trying out for the schools basketball team . If only 2 of them got called back , how many students did n't make the cut ?
Example Output: 21

Example Input: Bianca was organizing her book case making sure each of the shelves had exactly 8 books on it . If she had 5 shelves of mystery books and 4 shelves of picture books , how many books did she have total ?
Example Output: 72

Example Input: Terrell hiked 8.2 miles on Saturday . Then , on Sunday , he hiked another 1.6 miles . How far did Terrell hike all together ?
Example Output:
9.8