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.

Example Input: Jessica had 8 quarters in her bank . Her sister borrowed 3 of her quarters . How many quarters does Jessica have now ?
Example Output: 5

Example Input: On Friday , Sam spent 2 pennies on ice cream . The next day , Sam spent 12 dimes on baseball cards . All in all , how much money did Sam spend ?
Example Output: 1.22

Example Input: 3 friends own a car in Florida . One owns 0.5833 of the car the second owns 0.1667 . How much does the third own ?
Example Output:
0.25