Use 36 cm long iron wire to make a cube frame, what is the volume of the cube?
用36厘米长的铁丝做成一个正方体框架，这个正方体的体积是多少？
<gadget id="calculator">36 / 12</gadget>
<output>3</output>

<gadget id="calculator">3 * 3 * 3</gadget>
<output>27</output>

<result>27</result>