A 18.84 decimeter long iron wire is bent into the largest circular iron circle, what is its diameter in decimeters?
用一根长18.84分米的铁丝弯成一个最大的圆形铁圈，它的直径是多少分米．
<gadget id="calculator">18.84 / 3.14</gadget>
<output>6</output>

<result>6</result>