How thick can a pile of 60m**3 cinders be spread on a runway 300m long and 4m wide?
把一堆60m**3的煤渣，铺在长300m，宽4m的跑道上，可以铺多厚？
<gadget id="calculator">60 / 300 / 4</gadget>
<output>1/20 = around 0.05</output>

<result>1/20 = around 0.05</result>