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: Mary starts with 27 eggs . She finds another 4 . How many eggs does Mary end with ?
Example Output: 31

Example Input: Upon arriving at the circus , they went to the ticket booth and asked how much each ticket cost . If each ticket costs 44 dollars and they bought 7 tickets , how much money did they spend on tickets ?
Example Output: 308

Example Input: Joan grew 8 watermelons and 4 turnips . Tom grew 9 watermelons . How many watermelons did they grow in total ?
Example Output:
17