A piece of marble in the shape of a cuboid has a volume of 30 cubic meters and a bottom surface of a rectangle with an area of 6 square meters. What is the height of this marble?
一块长方体形状的大理石，体积为30立方米，底面是面积为6平方米的长方形，这块大理石的高是多少米？
<gadget id="calculator">30 / 6</gadget>
<output>5</output>

<result>5</result>