piece of iron wire can exactly form a cuboid with a length of 8 cm, a width of 5 cm, and a height of 6 cm. If this wire is used to form a cube, what is the length of its sides in cm?
一根铁丝正好可以围成一个长8厘米、宽5厘米、高6厘米的长方体，用这根铁丝围成正方体，它的棱长是多少厘米？
<gadget id="calculator">8 + 5 + 6</gadget>
<output>19</output>

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

<gadget id="calculator">19 * (1/3)</gadget>
<output>19/3 = around 6.333333</output>

<result>19/3 = around 6.333333</result>