A conical sand pile with a bottom circumference of 12.56 meters and a height of 3 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 you pave?
一个圆锥形沙堆，底面周长12.56米，高3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？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">2 * 3.14</gadget>
<output>6.28</output>

<gadget id="calculator">12.56 / 6.28</gadget>
<output>2</output>

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

<gadget id="calculator">2 / 100</gadget>
<output>1/50 = around 0.02</output>

<gadget id="calculator">10 * (1/50)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">3 / (1/5)</gadget>
<output>15</output>

<gadget id="calculator">(1/3) * 3.14 * 4 * 15</gadget>
<output>62.8</output>

<result>62.8</result>