Use an iron wire with a length of 108cm to make a cuboid model. The ratio of length, width and height of this model is 4:3:2. What is its volume?
用一根长108cm的铁丝做一个长方体模型，这个模型长、宽、高的比为4：3：2，它的体积是多少？
<gadget id="calculator">108 / 4</gadget>
<output>27</output>

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

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

<gadget id="calculator">27 * (4/9)</gadget>
<output>12</output>

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

<gadget id="calculator">27 * (1/3)</gadget>
<output>9</output>

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

<gadget id="calculator">27 * (2/9)</gadget>
<output>6</output>

<gadget id="calculator">12 * 9 * 6</gadget>
<output>648</output>

<result>648</result>