A 94.2 cm long iron wire can go around a bucket exactly three times. What is the radius of the bottom of the bucket in decimeters?
一条94.2厘米长的铁丝，正好可以围绕一个水桶转三圈，这个水桶的底面半径是多少分米？
<gadget id="calculator">94.2 / 3 / 3.14 / 2 / 10</gadget>
<output>0.5</output>

<result>0.5</result>