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 Q]: Alyssa had 129 cookies . Aiyanna has 140 . How many more cookies does Aiyanna have than Alyssa ?
[EX A]: 11

[EX Q]: Norma has 88 cards . She loses 70 . How many cards will Norma have ?
[EX A]: 18

[EX Q]: A store had 40 oranges in a bin . If they threw away 25 of the old ones and put 21 new ones in the bin how many would be in the bin ?
[EX A]:
36