There is a conical triad mound with a bottom diameter of 48 meters and a height of 9 meters. If the soil is spread on a road with a width of 9 meters and a thickness of 6 centimeters, how long can it be paved?
有一个圆锥形的三合土堆，底面直径48米，高9米，若把这些土铺到宽9米，厚6厘米的路面，可以铺多长？
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