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: David removes 7 eggs from a jar . There were originally 27 eggs in the jar . How many eggs are left in the jar ?
Example Output: 20

Example Input: There are 2 maple trees and 5 popular trees currently in the park . Park workers will plant 9 maple trees today . How many maple trees will the park have when the workers are finished ?
Example Output: 11

Example Input: Jane ’ s mom picked cherry tomatoes from their backyard . If she gathered 56 cherry tomatoes and is about to place them in small jars which can contain 8 cherry tomatoes at a time , how many jars will she need ?
Example Output:
7