<image>(2013 Autumn • Dafeng City Final Exam) As shown in the figure, on a flat ground, several identical small cubes with an edge length of 10 cm are stacked to form a geometric figure.
(1) This geometric figure is composed of ____ small cubes.
(2) If yellow paint is sprayed on the surface of this geometric figure, then among all the small cubes, ____ have only one face painted yellow, ____ have only two faces painted yellow, and ____ have only three faces painted yellow.
(3) The area of the painted surface of this geometric figure is ____ cm².