A cuboid swimming pool is 25 meters long, 12 meters wide, and 1.2 meters deep. If tiles are pasted on the bottom and all sides of the swimming pool, how many square meters will the tiled area be?
一个长方体游泳池长25米，宽12米，深1.2米．若给这个游泳池的底面和四周都贴上瓷砖，那么贴瓷砖的面积是多少平方米？
<gadget id="calculator">25 * 12</gadget>
<output>300</output>

<gadget id="calculator">25 * 1.2 * 2</gadget>
<output>60</output>

<gadget id="calculator">12 * 1.2 * 2</gadget>
<output>28.8</output>

<gadget id="calculator">300 + 60 + 28.8</gadget>
<output>388.8</output>

<result>388.8</result>