The diameter of the front wheels of a road roller is 1.2m, and the width of the wheels is 1.5m. If the road roller is running in a straight line, when the front wheels rotate 100 times, what is the area of the road surface pressed by the front wheels?
一种压路机前轮直径是1.2m，轮宽1.5m，如果此压路机沿直线行驶，当前轮转过100周时，前轮压过的路面面积是多少平方米？
<gadget id="calculator">3.14 * 1.2 * 100 * 1.5</gadget>
<output>565.2</output>

<result>565.2</result>