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.

There are 22 oranges in a box . Paula takes 7 oranges . How many are left ?
15

Ronald has 13 blocks . Martha has with 4 blocks . Martha finds another 80 . How many blocks does Martha end with ?
84

Pamela has 50 Skittles . She gives 7 to Karen . How many Skittles will Pamela have ?

43