You are given a math word problem and you are supposed to apply a single mathematical operator 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: a pet supply store has 600 bags of dog food and 327 bags of cat food . how many more bags of dog food are there than cat food ?
Example Output: 273

Example Input: jake has 34 fewer balls than audrey . audrey has 41 balls . how many balls does jake have ?
Example Output: 7

Example Input: if you add 45 to a mystery number you will get 92 what is the mystery number ?
Example Output:
47