<image>(2009 Spring • Jiangbei District School-Level Final Exam) Several small cubes with an edge length of 4 cm are stacked in a corner as shown in the image below on the right.
(1) The number of faces exposed on this object is ____.
(2) The total area of all the exposed faces is ____ square centimeters.
(3) The volume of this object is ____ cubic centimeters.