The roller of a road roller is a cylinder with a bottom diameter of 1 meter and a length of 1.5 meters. If it rotates 5 times, how many square meters will be rolled?
一种压路机的滚筒是一个圆柱体，它的底面直径为1米，长1.5米，如果它转5圈，一共压路多少平方米？
<gadget id="calculator">3.14 * 1 * 1.5 * 5</gadget>
<output>23.55</output>

<result>23.55</result>