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.

Input: Consider Input: There were 9 girls and 14 boys trying out for the schools basketball team . If only 2 of them got called back , how many students did n't make the cut ?

Output: 21


Input: Consider Input: 13 ducks are swimming in a lake . 20 more ducks come to join them . How many ducks are swimming in the lake ?

Output: 33


Input: Consider Input: Johnny saved $ 30 in September . He saved $ 49 in October and $ 46 in November . Then Johnny spent $ 58 on a video game . How much money does Johnny have left ?


Output: 67