The sum of the length, width, and height of a cuboid is 24 cm, and the ratio of length, width, and height is 1:2:3. How tall is this cuboid.
一个长方体长、宽、高的和是24cm，长、宽、高的比是1：2：3．这个长方体高多少．
<gadget id="calculator">1 + 2 + 3</gadget>
<output>6</output>

<gadget id="calculator">3 / 6</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">24 * (1/2)</gadget>
<output>12</output>

<result>12</result>