A conical pile of sand has a bottom area of 12.56 square meters and a height of (9/10) meters. If this pile of sand is used to pave a 2cm-thick road on a 10-meter-wide road, how many meters can it cover?
一个圆锥形的沙堆，底面积是12.56平方米，高是(9/10)米，用这堆沙在10米宽的公路上铺2cm厚的路面，能铺多少米？
<gadget id="calculator">9 / 10</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">12.56 * (9/10)</gadget>
<output>11.304</output>

<gadget id="calculator">11.304 / 3</gadget>
<output>3.768</output>

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

<gadget id="calculator">3.768 / (1/50) / 10</gadget>
<output>18.84</output>

<result>18.84</result>