Use 240m**3 stones to pave a path 600m long and 4m wide, how many dm thick can the stones be paved with?
用240m**3的石子铺一段长600m，宽4m的小路，石子可以铺多少dm厚．
<gadget id="calculator">600 * 4</gadget>
<output>2_400</output>

<gadget id="calculator">240 / 2_400</gadget>
<output>1/10 = around 0.1</output>

<result>1/10 = around 0.1</result>