A road roller has a cylindrical front wheel with a wheel width of 1.6 meters and a diameter of 0.8 meters. If the front wheels can roll 12 times per minute, how many square meters can be pressed per minute?
一种压路机的前轮是圆柱形状的，轮宽为1.6米，直径0.8米．如果每分钟前轮可滚动12周，那么每分钟能压路的面积是多少平方米？
<gadget id="calculator">3.14 * 0.8 * 1.6 * 12</gadget>
<output>48.2304</output>

<result>48.2304</result>