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: I need to figure out how to get the amount from a phone bill sent to Boston on June 16 . The Rate for First Minute is 0.4698 , the Rate for Additional Minutes is 0.374 , and the Total Minutes are 17 . How much is the bill ?
Example Output: 6.45

Example Input: A florist had 5 roses . If she sold 3 of them and then later picked 34 more , how many roses would she have ?
Example Output: 36

Example Input: There are 34 pencils and 49 crayons in the drawer . Dan took 22 pencils from the drawer . How many pencils are now in the drawer ?
Example Output:
12