The front roller of the road roller is a cylinder (as shown in the figure below), with a width of 1.5 meters and a radius of 0.5 meters. If it rolls forward for 2 rounds, what is the rolling area?
轧路机的前滚筒是个圆柱体(如下图)，宽度为1.5米，半径0.5米，求它向前滚动2周，轧路面积应是多少？
<gadget id="calculator">3.14 * 2 * 0.5 * 1.5 * 2</gadget>
<output>9.42</output>

<result>9.42</result>