How many square meters of tiles are required to lay tiles on the bottom and surroundings of a cuboid cistern with a length of 18m, a width of 10m, and a depth of 1.6m?
在一个长18m，宽10m，深1.6m的长方体蓄水池的池底和四周贴瓷砖，至少需要多少平方米的瓷砖？
<gadget id="calculator">180 + 57.6 + 32</gadget>
<output>269.6</output>

<result>269.6</result>