Between Ann Arbor and Detroit on the I94 there are 40 miles. Andrew drives a car from Ann Arbor to Detroit with the constant speed of 72 mi/h. Bob rides a scuter from Detroit to Ann Arbor at the speed of 34 mi/h. Andrew and Bob start their rides at the same time. Find the distance in miles between their meeting location and Ann Arbor. Give the answer with two exact digits (for instance, 4.61).