A 72-meter-long iron wire is welded into a cuboid so that the ratio of length, width, and height is 4:2:3. Find the volume of the cuboid.
用一根72米长的铁丝焊接成一个长方体，使长、宽、高的比为4：2：3，求这个长方体的体积．
<gadget id="calculator">72 / 4</gadget>
<output>18</output>

<gadget id="calculator">4 + 2 + 3</gadget>
<output>9</output>

<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">18 * (2/9)</gadget>
<output>4</output>

<gadget id="calculator">3 / 9</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">18 * (4/9) * 18 * (2/9) * 18 * (1/3)</gadget>
<output>192</output>

<result>192</result>