You are given a math word problem and you are supposed to apply an addition mathematical operator on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

Example Input: Context: Jack received 5 emails in the morning, 8 emails in the afternoon and 72 emails in the evening. 

 Question: How many emails did Jack receive in the morning and afternoon?
Example Output: 13

Example Input: Context: For the walls of the house he would use 13 large planks of wood. If each plank of wood needs 17 pieces of nails to be secured and in addition 8 nails are needed for some smaller planks. 

 Question: How many nails does John need for the house wall?
Example Output: 229

Example Input: Context: Robin cut off 20 inches of his hair. If his hair is now 10 inches long 

 Question: How long was his hair before he cut?
Example Output:
30