If a 72 decimeter long iron wire is used to form a largest cube, what is the volume of this cube in cubic decimeters?
用一根72分米长的铁丝围成一个最大的正方体，这个正方体的体积是多少立方分米．
<gadget id="calculator">72 / 12</gadget>
<output>6</output>

<gadget id="calculator">6 * 6 * 6</gadget>
<output>216</output>

<result>216</result>