A cube frame is welded, and a total of 60 cm of iron wire is used. What is the length of the edge of the cube frame in cm?
焊接一个正方体框架，一共用去铁丝60厘米，这个正方体框架的棱长是多少厘米．
<gadget id="calculator">60 / 12</gadget>
<output>5</output>

<result>5</result>