A conical sand pile has a base circumference of 6.28 meters and a height of 1.2 meters. If it is paved with a thickness of 2 cm on a road with a width of 5 meters, how long can it be paved?
一圆锥形的沙堆，底面周长是6.28米，高1.2米．若把它在宽5米的公路上铺2厘米厚，能铺多长？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">6.28 / 3.14 / 2</gadget>
<output>1</output>

<gadget id="calculator">1 ** 2</gadget>
<output>1</output>

<gadget id="calculator">(1/3) * 3.14 * 1 * 1.2</gadget>
<output>1.256</output>

<gadget id="calculator">5 * 0.02</gadget>
<output>0.1</output>

<gadget id="calculator">1.256 / 0.1</gadget>
<output>12.56</output>

<result>12.56</result>