The sum of the lengths of the sides of a cuboid is 48cm, and the ratio of length, width and height is 3:1:2. Find the volume.
一个长方体的棱长总和是48cm，长宽高的比3：1：2，求体积．
<gadget id="calculator">48 / 4</gadget>
<output>12</output>

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

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

<gadget id="calculator">12 * (1/2)</gadget>
<output>6</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(1/6) / 6</gadget>
<output>1/36 = around 0.027778</output>

<gadget id="calculator">12 * (1/36)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">6 * 12 * (1/3) * 12 * (1/6)</gadget>
<output>48</output>

<result>48</result>