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: bridget wants to win the giant stuffed panda bear . she needs a total of 75 points to get it . bridget already scored 35 points at the penny pitch booth . she scored 18 more points on her next try . how many more points does bridget need ?

Output: 22

Input: Consider Input: at the arcade billy had won 48 tickets . after buying a yoyo he had 32 tickets left . how many tickets did the yoyo cost ?

Output: 16

Input: Consider Input: maria took 16 fish out of her fish tank . now there are 3 fish in the tank . how many fish were in the tank to start with ?
Output: 19