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:
April 's discount flowers was having a sale where each flower was 6 dollars . If Katie bought 5 roses and 5 daisies , how much did she spend ?

Ex Output:
60


Ex Input:
Fred loves trading cards . He bought 2 packs of football cards for $ 2.73 each , a pack of Pokemon cards for $ 4.01 , and a deck of baseball cards for $ 8.95 . How much did Fred spend on cards ?

Ex Output:
18.42


Ex Input:
A pet store has 9 bird cages . If each cage has 2 parrots and 2 parakeets in it , how many birds does the pet store have total ?

Ex Output:

36