conical sand pile has a bottom circumference of 18.84 meters and a height of 2.5 meters. Using this pile of sand to pave a 5 cm road on a 5 m wide road, how far can it be paved?
一个圆锥形沙堆，底面周长18.84米，高是2.5米．用这堆沙在5米宽的公路上铺5厘米的路面，可以铺多远？
<gadget id="calculator">2 * 3.14</gadget>
<output>6.28</output>

<gadget id="calculator">18.84 / 6.28</gadget>
<output>3</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">(1/3) * 3.14 * 9 * 2.5</gadget>
<output>23.55</output>

<gadget id="calculator">5 * 0.05</gadget>
<output>0.25</output>

<gadget id="calculator">23.55 / 0.25</gadget>
<output>94.2</output>

<result>94.2</result>