A sprinkler truck travels 200 meters per minute, and the sprinkler width is 10 meters. How many hectares of road can the sprinkler drive for 1 hour?
一辆洒水车，每分钟行驶200米，洒水的宽度是10米．洒水车行驶1小时，能洒多少公顷的路面？
<gadget id="calculator">60 / 10_000</gadget>
<output>3/500 = around 0.006</output>

<gadget id="calculator">200 * 10 * (3/500)</gadget>
<output>12</output>

<result>12</result>