The ratio of length, width and height of a cuboid is 3:2:1, if its height is 2 cm, what is its volume?
一个长方体的长、宽、高之比是3：2：1，若它的高是2厘米，体积是多少．
<gadget id="calculator">2 * 3</gadget>
<output>6</output>

<gadget id="calculator">2 * 2</gadget>
<output>4</output>

<gadget id="calculator">6 * 4 * 2</gadget>
<output>48</output>

<result>48</result>