Use a 36cm long iron wire to weld a cube frame (not counting the joints), what is its volume in cm**3.
用一根长36cm的铁丝焊接成一个正方体框架(接头处不计)，它的体积是多少cm**3．
<gadget id="calculator">36 / 12</gadget>
<output>3</output>

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

<result>27</result>