The drum of the road roller is cylindrical, its length is 1.5 meters, and its cross-sectional diameter is 1.2 meters. If it rotates 10 times per minute, how many square meters of road surface can be pressed per minute?
压路机的滚筒是圆柱形，它的长是1.5米，横截面直径是1.2米，如果每分钟转动10圈，那么每分钟可压路面多少平方米？
<gadget id="calculator">3.14 * 1.2 * 1.5 * 10</gadget>
<output>56.52</output>

<result>56.52</result>