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.

Input: Consider Input: Gary had 73 dollars . He spent 55 dollars on a pet snake . How many dollars did Gary have left ?

Output: 18

Input: Consider Input: Bianca picked 23 carrots from her garden . If she threw out 10 of them and then picked 47 more the next day , how many carrots would she have total ?

Output: 60

Input: Consider Input: Edward and his friend were buying trick decks from the magic shop for 6 dollars each . How much did they spend if Edward bought 3 decks and his friend bought 6 decks ?
Output: 54