A sprinkler truck travels 150 meters per minute, and the width of the sprinkler is 7 meters. If the sprinkler runs for 4 minutes, how much ground can it sprinkle with water?
一辆洒水车每分钟行驶150米，洒水的宽度是7米．洒水车行驶4分钟，大约能给多大的地面洒上水？
<gadget id="calculator">150 * 4 * 7</gadget>
<output>4_200</output>

<result>4_200</result>