On the other hand, because it's a rectangle, the area is equal to its height times its base, and the height is clearly eight, and the base is five plus eight, which is the next Fibonacci number, 13. Right?
另一方面, 因为这是矩形, 面积就等于长乘高, 高等于 8, 长是 5 加 8, 也是一个斐波纳契数, 13, 是不是?