A swimming pool is 25 meters long, 15 meters wide, and 2 meters deep. If the four walls and the bottom of the swimming pool are tiled, what is the area of the tiled part in square meters?
一个游泳池，长25米，宽15米，深是2米．将游泳池的四壁和底面都贴上瓷砖，贴瓷砖部分的面积是多少平方米？
<gadget id="calculator">25 * 15</gadget>
<output>375</output>

<gadget id="calculator">25 * 2 * 2</gadget>
<output>100</output>

<gadget id="calculator">15 * 2 * 2</gadget>
<output>60</output>

<gadget id="calculator">375 + 100 + 60</gadget>
<output>535</output>

<result>535</result>