Two iron wires of the same length, one is made into a rectangular cuboid frame with a length of 8 cm, a width of 6 cm, and a height of 4 cm;
两根同样长的铁丝，一根做成长方体框架，长8厘米，宽6厘米，高4厘米；另一根做成正方体框架，棱长是多少厘米？
<gadget id="calculator">8 + 6 + 4</gadget>
<output>18</output>

<gadget id="calculator">4 / 12</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">18 * (1/3)</gadget>
<output>6</output>

<result>6</result>