Using a conical sand pile with a bottom area of 75 square meters and a height of 1.5 meters, spread this pile of sand on a road with a length of 0.3km and a width of 5m. How thick can it be?
用一个底面积是75平方米，高为1.5米的圆锥形沙堆，把这堆沙铺在长0.3km，宽5m的路上，能铺多厚？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">0.3 * 1_000 * 5</gadget>
<output>1_500</output>

<gadget id="calculator">1.5 / 1_500</gadget>
<output>0.001</output>

<gadget id="calculator">(1/3) * 75 * 0.001</gadget>
<output>0.025</output>

<result>0.025</result>