A conical sand pile, the circumference of the bottom surface is 18.84 meters, and the height is 2.8 meters. Using this pile of sand to pave a 4 cm thick road on a 10 meter wide road, how many meters can be paved?
一个圆锥形沙堆，底面周长是18.84米，高2.8米．用这堆沙在10米宽的公路上铺4厘米厚的路面，能够铺多少米？
<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 * 2.8</gadget>
<output>26.376</output>

<gadget id="calculator">10 * 0.04</gadget>
<output>0.4</output>

<gadget id="calculator">26.376 / 0.4</gadget>
<output>65.94</output>

<result>65.94</result>