A conical pile of sand has a bottom circumference of 25.12 meters and a height of 3 meters. Spread this pile of sand on a road with a width of 6.28 meters. If the layer is 8 centimeters thick. How long can it be laid?
一个圆锥形沙堆，底面周长是25.12米，高3米，把这堆沙平铺在一条宽6.28米的道路上，如果铺8厘米厚．可以铺多长？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">25.12 / 3.14 / 2</gadget>
<output>4</output>

<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

<gadget id="calculator">(1/3) * 3.14 * 16 * 3</gadget>
<output>50.24</output>

<gadget id="calculator">6.28 * 0.08</gadget>
<output>0.5024</output>

<gadget id="calculator">50.24 / 0.5024</gadget>
<output>100</output>

<result>100</result>