选择题
2013 AMC 8 Problem 18: Rectangular Fort Blocks
Isabella uses one-foot cubical blocks to build a rectangular fort that is 12 feet long, 10 feet wide, and 5 feet high. The floor and the four walls are all one foot thick. How many blocks does the fort contain?
2013 AMC 8 第 18 题：矩形堡垒块
伊莎贝拉用一英尺的立方块建造了一座长 12 英尺、宽 10 英尺、高 5 英尺的矩形堡垒。地板和四壁都是一尺厚。堡垒有多少块
A.
204
B.
280
C.
320
D.
340
E.
600