A cone-shaped pile of sand has a circumference of 12.56 meters and a height of 1.8 meters. How many meters can be paved with this pile of sand on a road with a width of 8 meters and a thickness of 3 centimeters?
一个圆锥形沙堆，它的底面周长是12.56米，高是1.8米，用这堆沙子在8米宽的公路上铺3厘米厚的路面，能铺多少米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">12.56 / 3.14 / 2</gadget>
<output>2</output>

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

<gadget id="calculator">3 / 100</gadget>
<output>3/100 = around 0.03</output>

<gadget id="calculator">8 * (3/100)</gadget>
<output>6/25 = around 0.24</output>

<gadget id="calculator">1.8 / (6/25)</gadget>
<output>7.5</output>

<gadget id="calculator">(1/3) * 3.14 * 4 * 7.5</gadget>
<output>31.4</output>

<result>31.4</result>