A piece of iron wire is 125.6 meters long and can be wound 500 times on a circular coil. What is the diameter of this coil in meters?
一条铁丝长125.6米，正好可以在一个圆形线圈上绕500周，这个线圈的直径是多少米？
<gadget id="calculator">125.6 / 500 / 3.14</gadget>
<output>0.08</output>

<result>0.08</result>