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: A teacher had 7 worksheets to grade . If she graded 2 , but then another 46 were turned in , how many worksheets would she have to grade ?
Example Output: 51

Example Input: Christina just transferred $ 69 out of her bank account . As a result , the account now has $ 26935 in it . How much money was in the account before the transfer ?
Example Output: 27004

Example Input: You go out for a long walk . You walk 0.75 mile and then sit down to take a rest . Then you walk 0.25 of a mile . How far did you walk altogether ?
Example Output:
1