A sprinkler truck travels 3 kilometers per hour, and the sprinkler width is 8 meters. If the sprinkler truck travels forward for 5 hours, how many hectares of ground can be sprinkled with water?
一辆洒水车每小时行3千米，洒水宽度是8米，洒水车向前行5小时，能给多少公顷的地面洒上水？
<gadget id="calculator">8 / 10_000</gadget>
<output>1/1_250 = around 0.0008</output>

<gadget id="calculator">3 * 1_000 * 5 * (1/1_250)</gadget>
<output>12</output>

<result>12</result>