A conical sand pile has a bottom area of 45.9m**2 and a height of 1.2m. Spread this pile of sand on a road with a length of 0.3km and a width of 6m, how thick can it be?
一个圆锥形沙堆，底面积是45.9m**2，高1.2m．把这堆沙铺在长0.3km，宽6m的路面上，能铺多厚？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) * 45.9 * 1.2</gadget>
<output>18.36</output>

<gadget id="calculator">0.3 * 1_000 * 6</gadget>
<output>1_800</output>

<gadget id="calculator">18.36 / 1_800</gadget>
<output>0.0102</output>

<result>0.0102</result>