A wire is 4.71 meters long and is wound exactly 10 times on a cylinder. What is the diameter of the cylinder?
一根铁丝长4.71米，正好在一个圆筒上绕了10圈，这个圆筒的直径是多少？
<gadget id="calculator">4.71 / 10 / 3.14</gadget>
<output>0.15</output>

<result>0.15</result>