Weld a piece of iron wire with a length of 396 cm and cut off (1/3) to form a rectangular parallelepiped frame. If the ratio of length, width and height is 3:2:1, what is the volume of this rectangular parallelepiped? Cubic centimeters?
把一根长为396厘米的铁丝，截去(1/3)后剩下的部分焊成一个长方体框架，要使长、宽、高的比是3：2：1，这个长方体的体积是多少立方厘米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">396 * (2/3)</gadget>
<output>264</output>

<gadget id="calculator">264 / 4</gadget>
<output>66</output>

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

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

<gadget id="calculator">66 * (1/2)</gadget>
<output>33</output>

<gadget id="calculator">2 / 6</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">66 * (1/3)</gadget>
<output>22</output>

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

<gadget id="calculator">66 * (1/6)</gadget>
<output>11</output>

<gadget id="calculator">33 * 22 * 11</gadget>
<output>7_986</output>

<result>7_986</result>