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: George has 5 boxes of eggs . Each box holds 3 eggs and there are 9 boxes in a case . How many eggs does George have ?
Example Output: 15

Example Input: Mike found 6 seashells and 4 starfish , but 4 of the seashells were broken . How many unbroken seashells did Mike find ?
Example Output: 2

Example Input: Last year , egg producers in Douglas County produced 1416 eggs . This year , those same farms produced 4636 eggs . How many more eggs did the farms produce this year ?
Example Output:
3220