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: Megan has 19 seashells . How many more seashells does she need to find to have 25 seashells in her collection ?

Output: 6


Input: Consider Input: Daniel had some noodles . He gave 12 noodles to William . Now Daniel only has 54 noodles . How many noodles did Daniel have to begin with ?

Output: 66


Input: Consider Input: Nancy and her mom were picking carrots from their garden . Nancy picked 38 and her mother picked 47 . If only 71 of the carrots were good , how many bad carrots did they have ?


Output: 14