A conical pile of sand has a bottom area of 15.7 square meters and a height of 2.7 meters. How long can this pile of sand be used to pave a road with a thickness of 5 cm on a road with a width of 10 meters?
一个圆锥形砂堆，底面积是15.7平方米，高是2.7米，用这堆砂在10米宽的公路上铺5厘米厚的路，能铺多长？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">10 * (1/20)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">2.7 / (1/2)</gadget>
<output>5.4</output>

<gadget id="calculator">(1/3) * 15.7 * 5.4</gadget>
<output>28.26</output>

<result>28.26</result>