A conical sand pile has a bottom area of 28.26m**2 and a height of 5m. If this pile of sand is spread on a road with a width of 5m and a thickness of 0.2m, how long can it be spread?
一个圆锥形沙堆，底面积是28.26m**2，高5m．如果把这堆沙子铺在宽5m，厚0.2m的公路上，可以铺多长？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">5 * 0.2</gadget>
<output>1</output>

<gadget id="calculator">5 / 1</gadget>
<output>5</output>

<gadget id="calculator">(1/3) * 28.26 * 5</gadget>
<output>47.1</output>

<result>47.1</result>