A conical pile of sand has a bottom circumference of 12.56dm and a height of 6dm. If sand is spread on a road with a width of 5m and a thickness of 2cm, how long can it be?
一个圆锥形沙堆，底面周长是12.56dm，高6dm，若将沙子铺在宽5m的公路上，铺2cm厚，可以铺多长？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">12.56 / 10</gadget>
<output>1.256</output>

<gadget id="calculator">1.256 / 3.14 / 2</gadget>
<output>0.2</output>

<gadget id="calculator">0.2 ** 2</gadget>
<output>0.04</output>

<gadget id="calculator">6 / 10</gadget>
<output>3/5 = around 0.6</output>

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

<gadget id="calculator">5 * (1/50)</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">(3/5) / (1/10)</gadget>
<output>6</output>

<gadget id="calculator">(1/3) * 3.14 * 0.04 * 6</gadget>
<output>0.2512</output>

<result>0.2512</result>