There is a cone-shaped pile of yellow sand on the construction site. The circumference of the bottom surface is 18.84 meters and the height is 1.5 meters. Using this pile of sand to pave a 0.02-meter-thick road on a 9-meter-wide road, how many meters can be paved?
工地上有一个圆锥形黄沙堆，底面周长18.84米，高1.5米，用这堆沙在9米宽的公路上铺0.02米厚的路面，能铺多少米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">18.84 / 3.14 / 2</gadget>
<output>3</output>

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

<gadget id="calculator">(1/3) * 3.14 * 9 * 1.5</gadget>
<output>14.13</output>

<gadget id="calculator">9 * 0.02</gadget>
<output>0.18</output>

<gadget id="calculator">14.13 / 0.18</gadget>
<output>78.5</output>

<result>78.5</result>