conical sand pile has a base circumference of 18.84 meters and a height of 2.5 meters. Use this pile of sand to pave a road with a thickness of 2 cm on a road with a width of 10 meters. How many meters can it be paved with?
一个圆锥形的沙堆，底面周长是18.84米，高2.5米．用这堆沙在10米宽的公路上铺2厘米厚的路面，能铺多少米长？
<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">10 * 0.02</gadget>
<output>0.2</output>

<gadget id="calculator">23.55 / 0.2</gadget>
<output>117.75</output>

<result>117.75</result>