A road roller, the working width of the front wheels is 2 meters, and it advances 75 meters per minute when working. If this road roller works for 20 minutes, what is the area of the front wheels?
一台压路机，前轮的作业宽度2米，工作时每分钟前进75米，这台压路机工作20分钟，前轮压路的面积是多少平方米？
<gadget id="calculator">20 * 75 * 2</gadget>
<output>3_000</output>

<result>3_000</result>