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:
There are 11 rulers and 34 crayons in the drawer . Tim placed 14 rulers in the drawer . How many rulers are now there in all ?

Ex Output:
25


Ex Input:
Nancy picked 12 carrots from her garden . If she threw out 2 of them and then picked 21 more the next day , how many carrots would she have total ?

Ex Output:
31


Ex Input:
A dealer pays 6000 dollars for a car . The dealer wants to make a profit that is 25 % of the selling price . For how much should the dealer sell the car ?

Ex Output:

7500