A piece of iron wire is 18.84 meters long and is wound around a coil barrel exactly 100 times. What is the diameter of the coil barrel in centimeters?
一根铁丝长18.84米，正好在一个线圈筒上绕100周，这个线圈筒的直径是多少厘米．
<gadget id="calculator">18.84 / 100 / 3.14</gadget>
<output>0.06</output>

<gadget id="calculator">0.06 * 100</gadget>
<output>6</output>

<result>6</result>