The front wheel of a road roller is cylindrical, the width of the wheel is 2 meters, and the diameter is 1.2 meters. If the front wheel turns 10 times, how many square meters is the rolled area?
一辆压路机的前轮是个圆柱形，轮宽2米，直径是1.2米，前轮转动10周，压过的面积是多少平方米？
<gadget id="calculator">3.14 * 1.2 * 2 * 10</gadget>
<output>75.36</output>

<result>75.36</result>