cuboid pool, after injecting 480L of water, the water level rises by 5dm, if you want to use tiles with a side length of 4dm to completely cover the bottom of the pool, how many such tiles are needed at least?
一个长方体水池，注入480L的水后，水面升高了5dm，如果要用边长为4dm的瓷砖给这个水池的底面全部铺满，至少需要多少块这样的瓷砖？
<gadget id="calculator">480 / 5</gadget>
<output>96</output>

<gadget id="calculator">4 * 4</gadget>
<output>16</output>

<gadget id="calculator">96 / 16</gadget>
<output>6</output>

<result>6</result>