There is a cuboid children's paddling pool in the amusement park. The bottom surface is a square with a side length of 20 meters and the depth of the pool is 0.8 meters. Now tiles are to be placed around the pool and the bottom surface. What is the total area of the tiles?
游乐园内有一个长方体儿童戏水池，其底面是边长为20米的正方形，池深0.8米，现在要在池的四周和底面贴瓷砖，贴砖的总面积是多少？
<gadget id="calculator">20 * 20</gadget>
<output>400</output>

<gadget id="calculator">20 * 0.8</gadget>
<output>16</output>

<gadget id="calculator">0.8 * 20</gadget>
<output>16</output>

<gadget id="calculator">400 + 16 + 16</gadget>
<output>432</output>

<gadget id="calculator">432 * 2</gadget>
<output>864</output>

<gadget id="calculator">864 - 400</gadget>
<output>464</output>

<result>464</result>