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.

Ex Input:
A book store had 4 books in the bargin bin . If they sold 3 books , but then put 10 more in the bin , how many books would be in the bin ?

Ex Output:
11


Ex Input:
There are 54 scissors in the drawer . Keith placed 22 more scissors in the drawer . How many scissors are now there in all ?

Ex Output:
76


Ex Input:
There are 5 oak trees currently in the park . Park workers will plant 4 more oak trees today . How many oak trees will the park have when the workers are finished ?

Ex Output:

9