A conical pile of sand has a bottom area of 12.56 square meters and a height of 6 meters. How many meters can be paved with this pile of sand on a road with a width of 10 meters and a thickness of 20 centimeters?
一个圆锥形砂堆，底面积是12.56平方米，高是6米，用这堆砂在10米宽的公路上铺20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 * 6 * (1/3)</gadget>
<output>25.12</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">10 * (1/5)</gadget>
<output>2</output>

<gadget id="calculator">25.12 / 2</gadget>
<output>12.56</output>

<result>12.56</result>