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

Example Input: There are 43 pencils in the drawer and 19 pencils on the desk . Dan placed 16 more pencils on the desk . How many pencils are now there in total ?
Example Output: 78

Example Input: Dave had to wash 29 short sleeve shirts and 11 long sleeve shirts before school . If he had only washed 35 of them by the time school started , how many did he not wash ?
Example Output: 5

Example Input: There were 9 girls and 14 boys trying out for the schools basketball team . If only 2 of them got called back , how many students did n't make the cut ?
Example Output:
21