A 48-meter-long iron wire is welded into a rectangular parallelepiped frame. The ratio of length, width, and height is 7:3:2. What is the volume of this rectangular parallelepiped?
用一根长48米的铁丝，焊接成一个长方体的框架，长、宽、高的比为7：3：2，这个长方体的体积是多少？
<gadget id="calculator">48 / 4</gadget>
<output>12</output>

<gadget id="calculator">7 + 3 + 2</gadget>
<output>12</output>

<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">12 * (7/12)</gadget>
<output>7</output>

<gadget id="calculator">3 / 12</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">12 * (1/4)</gadget>
<output>3</output>

<gadget id="calculator">2 / 12</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">12 * (7/12) * 12 * (1/4) * 12 * (1/6)</gadget>
<output>42</output>

<result>42</result>