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: For Halloween Debby and her sister combined the candy they received . Debby had 32 pieces of candy while her sister had 42 . If they ate 35 pieces the first night , how many pieces do they have left ?
Example Output: 39

Example Input: Tiffany had 6 pages of math homework and 4 pages of reading homework . If each page had 3 problems on it , how many problems did she have to complete total ?
Example Output: 30

Example Input: Sarah 's old washing machine could only wash 5 pieces of clothing at a time . If she had to wash 43 shirts and 2 sweaters how many loads would she have to do ?
Example Output:
9