There are 6 cubic meters of sand evenly spread on a runway 10 meters long and 2 meters wide. How thick can it be?
有6立方米沙子，均匀地铺在长10米、宽2米的跑道上，可以铺多厚？
<gadget id="calculator">10 * 2</gadget>
<output>20</output>

<gadget id="calculator">6 / 20</gadget>
<output>3/10 = around 0.3</output>

<result>3/10 = around 0.3</result>