A piece of iron wire is 100 cm long, and 16 cm remains after forming a cube. What is the length of the sides of the cube in cm?
一根铁丝长100厘米，围成一个正方体后剩余16厘米，这个正方体的棱长是多少厘米？
<gadget id="calculator">100 - 16</gadget>
<output>84</output>

<gadget id="calculator">84 / 12</gadget>
<output>7</output>

<result>7</result>