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: Bianca and her mom were picking carrots from their garden . Bianca picked 26 and her mother picked 15 . If only 16 of the carrots were good , how many bad carrots did they have ?

Output: 25


Input: Consider Input: Frank and his friend were buying trick decks from the magic shop for 7 dollars each . How much did they spend if Frank bought 3 decks and his friend bought 2 decks ?

Output: 35


Input: Consider Input: 2 birds were sitting on the fence . 4 more birds came to join them . How many birds are sitting on the fence ?


Output: 6