<image>(Spring 2012, End of Term, Zhanhe District) Pour 50 liters of water into an empty cubic pool with an edge length of 5 decimeters. The water depth is ____ decimeters. Saw off a small cube with an edge length of 1 centimeter from one vertex of a larger cube with an edge length of 1 decimeter. The surface area of the remaining part is ____ square decimeters. The volume is ____ cubic centimeters.