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 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: April 's discount flowers was having a sale where each flower was 3 dollars . If Robin bought 5 roses and 4 daisies , how much did she spend ?
Example Output: 27

Example Input: Rachel bought two coloring books . One had 24 pictures and the other had 39 . After one week she had already colored 4 of the pictures . How many pictures does she still have to color ?
Example Output:
59