Mrs. Johnson drives to work every day. When she left for work one day, the odometer (mileage gauge) on her car read 243.8 miles. When she returned to her house at the end of the day, the odometer read 267.6 miles. If she didn't drive anywhere else during the day but to work and back, how many miles is it from her house to her work? Explain how you got your answer. How many miles the car has driven.