steel wire is 6.28 meters long, and a wheelbarrow with a diameter of 10 decimeters moves forward 20 times per minute. How many minutes does it take to complete this steel wire?
一条钢丝长6.28米，一辆独轮车直径10分米，每分钟前进20圈，走完这条钢丝需要多少分钟．
<gadget id="calculator">10 / 10</gadget>
<output>1</output>

<gadget id="calculator">3.14 * 1 * 20</gadget>
<output>62.8</output>

<gadget id="calculator">6.28 / 62.8</gadget>
<output>0.1</output>

<result>0.1</result>