The drum of the road roller is a cylinder with a diameter of 1.2 meters and a length of 1.5 meters. If it rolls forward 20 times, what is the area of the pressed road in square meters?
压路机的滚筒是一个圆柱形，滚筒的直径是1.2米，长1.5米．如果向前滚动20周，所压路面的面积是多少平方米？
<gadget id="calculator">3.14 * 1.2 * 20 * 1.5</gadget>
<output>113.04</output>

<result>113.04</result>