<image>As shown in the figure, the tram passes through Station A to Station B to Station C, then returns, stopping at Station B on the way, but not stopping on the way back. The speed of the tram is 48 kilometers per hour on the way.
(1) The distance from Station A to Station B is ____ kilometers, and the distance from Station B to Station C is ____ kilometers;
(2) The speed of the tram on the return journey is ____ kilometers per hour;
(3) The average speed of the tram for the round trip is ____ kilometers per hour.