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.

a package had 18 cookies in it . after eating some there were 9 left . how many were eaten ?
9

next food item she has to prepare is soup . she needs 280 cups of mushroom soup . if the first team made 90 cups and the third team made 70 cups how any cups should the second team prepare in order to meet the required amount of soup ?
120

mrs. hilt saw 21 snakes 11 alligators 36 frogs and 57 bears . how many reptiles did mrs. hilt see ?
32