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

Input: Consider 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 ?

Output: 273


Input: Consider Input: Jessica had 8 quarters in her bank . Her sister borrowed 3 of her quarters . How many quarters does Jessica have now ?

Output: 5


Input: Consider Input: Mary had 18 baseball cards , and 8 were torn . Fred gave Mary 26 new baseball cards . Mary bought 40 baseball cards . How many baseball cards does Mary have now ?


Output: 84