There are 8 cubic meters of sand, how thick can it be spread in a sand pit with a length of 5 meters and a width of 4 meters?
有沙土8立方米，要铺在长5米、宽4米的沙坑里，可以铺多厚？
<gadget id="calculator">5 * 4</gadget>
<output>20</output>

<gadget id="calculator">8 / 20</gadget>
<output>2/5 = around 0.4</output>

<result>2/5 = around 0.4</result>