TASK DEFINITION: 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.
PROBLEM: 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 ?

SOLUTION: 6.45

PROBLEM: Professor Ellison weighed 2 pieces of metal for an experiment . The piece of iron weighed 11.166666666666666 pounds and the piece of aluminum weighed 0.8333333333333334 pound . How much more did the piece of iron weigh than the piece of aluminum ?

SOLUTION: 10.333333333333334

PROBLEM: Joan 's high school played 864 baseball games this year , 128 of the games were played at night . She attended 395 games . How many baseball games did Joan miss ?

SOLUTION:
469