Spread 5 cubic meters of sand evenly in a cuboid bunker with a length of 8 meters and a width of 2.5 meters. What is the thickness of the sand in decimeters?
把5立方米的沙子均匀铺在长8米、宽2.5米的长方体沙坑里，沙厚多少分米．
<gadget id="calculator">8 * 2.5</gadget>
<output>20</output>

<gadget id="calculator">5 / 20</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/4) * 10</gadget>
<output>5/2 = around 2.5</output>

<result>5/2 = around 2.5</result>