A cylinder is wound with a rope 1 meter long. There is still an excess of 12.08 cm, so what is the radius of this cylinder in meters.
用一根长为1米的绳子绕一根圆柱一圈．还多余12.08厘米，那么这根圆柱的半径是多少米．
<gadget id="calculator">1 - 0.1208</gadget>
<output>0.8792</output>

<gadget id="calculator">0.8792 / 2 / 3.14</gadget>
<output>0.14</output>

<result>0.14</result>