You are given a math word problem and you are supposed to apply a single mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report final the numerical answer.

Example Input: Nancy found 35 seashells and 25 starfish on the beach . She gave 17 of the seashells to Jason . How many seashells does Nancy now have ?
Example Output: 18

Example Input: There are 124 students making 3 stars each for the school wall . How many stars will they make all together ?
Example Output: 372

Example Input: Paco had 93 cookies . Paco ate 15 of them . How many cookies did Paco have left ?
Example Output:
78