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 bought two coloring books . One had 23 pictures and the other had 32 . After one week she had already colored 44 of the pictures . How many pictures does she still have to color ?
Example Output: 11

Example Input: Gwen was organizing her book case making sure each of the shelves had exactly 4 books on it . If she had 5 shelves of mystery books and 3 shelves of picture books , how many books did she have total ?
Example Output: 32

Example Input: A carpenter bought a piece of wood that was 0.41 meters long . Then she sawed 0.33 meters off the end . How long is the piece of wood now ?
Example Output:
0.08