72 cm long iron wire is just welded into a cube frame (not counting the joints), what is the length of its sides in cm?
用一根72厘米长的铁丝正好焊接成一个正方体框架(接头处不计)，它的棱长是多少厘米．
<gadget id="calculator">72 / 12</gadget>
<output>6</output>

<result>6</result>