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:
Jessica grew 35 watermelons and 30 carrots , but the rabbits ate 27 watermelons . How many watermelons does Jessica have ?

Ex Output:
8


Ex Input:
Paige was unboxing some of her old winter clothes . She found 6 boxes of clothing and inside each box there were 5 scarves and 5 mittens . How many pieces of winter clothing did Paige have total ?

Ex Output:
60


Ex Input:
An oil pipe in the sea broke . Before engineers started to fix the pipe , 6522 liters of oil leaked into the water . While the engineers worked , the pipe leaked 5165 liters of oil . In all , how many liters of oil leaked into the water ?

Ex Output:

11687