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.

next on her list are the homeless people where she spent a total of $ 900 . if she gave $ 325 to the first set of homeless families and $ 260 to the second set of families how much did she give to the last set of homeless families ?
315

there are some passengers on a bus . at a bus stop 7 more passengers got on the bus and 9 passengers got off . if there are 26 passengers in the bus in the end how many passengers were there at first ?
28

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 ?

22

