Given a math word problem, answer the following question. You might need to apply addition or subtraction mathematical operators on the numbers embedded in the text to answer the question and then only report the final numerical answer.

Input: Consider Input: a pet store had 6 kittens . if they got another 3 kittens how many would they have total ?

Output: 9

Input: Consider Input: a tape was 13 meters long . haley used some to seal cartons . now the tape is 6 meters long . how much tape did she use ?

Output: 7

Input: Consider Input: while playing a trivia game team a scored 2 points team b scored 9 points and team c scored 4 points . how many points were scored total ?
Output: 15