The front wheel of the road roller is cylindrical, with a width of 1.5 meters and a diameter of 4 meters. The front wheel rotates 6 times per minute, how many square meters is the area pressed per minute?
压路机的前轮是圆柱形，轮宽1.5米，直径4米．前轮每分钟转6周，每分钟压路的面积是多少平方米？
<gadget id="calculator">3.14 * 4 * 1.5</gadget>
<output>18.84</output>

<gadget id="calculator">18.84 * 6</gadget>
<output>113.04</output>

<result>113.04</result>