You are given a math word problem and you are supposed to apply multiple mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

Ex Input:
Chloe picked 48 carrots from her garden . If she threw out 45 of them and then picked 42 more the next day , how many carrots would she have total ?

Ex Output:
45


Ex Input:
Katie picked 3 tulips and 9 roses to make flower bouquets . If she only used 10 of the flowers though , how many extra flowers did Katie pick ?

Ex Output:
2


Ex Input:
At the fair Adam bought 13 tickets . After riding the ferris wheel he had 4 tickets left . If each ticket cost 9 dollars , how much money did Adam spend riding the ferris wheel ?

Ex Output:

81