The radius of a wheel rolling on the ground is 78 centimeters. If the wheel rotates through an angle of 45, how many centimeters does it move? Express your answer in terms of and then round to two decimal places. The distance that the wheel moves is centimeters. (Type an exact answer, using x as needed. Use integers or fractions for any numbers in the expression.) The distance that the wheel moves is about centimeters. (Round to two decimal places as needed.)