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: Lewis saved checking on the grapevines for his last stop . He was told by one of the pickers that they fill 324 drums of grapes per day . How many drums of grapes would be filled in 9 days ?
Example Output: 2916

Example Input: Scott has 56 oranges that must be put away in boxes . Terry comes to help and brings 11 cookies to share with Scott . If there are 8 boxes , how many oranges must go in each box ?
Example Output: 7

Example Input: There were 28 girls and 35 boys on the playground at recess . How many children were there in all ?
Example Output:
63