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: Maria was making baggies of cookies with 8 cookies in each bag . If she had 5 chocolate chip cookies and 19 oatmeal cookies , how many baggies could she make ?
Example Output: 3

Example Input: There are 2 apples in a pile on the desk . Each apple comes in a package of 7 . 4 apples are added to the pile . How many apples are there in the pile ?
Example Output: 6

Example Input: Eve ran 0.7 mile and walked 0.6 mile . How much farther did Eve run than walk ?
Example Output:
0.1