If you paste tiles around and on the bottom of a swimming pool that is 50 meters long, 25 meters wide, and 2 meters deep, how big is the tiled area?
在一个长50米，宽25米，深2米的游泳池的四周和底面贴上瓷砖，贴瓷砖的面积有多大？
<gadget id="calculator">50 * 25</gadget>
<output>1_250</output>

<gadget id="calculator">50 * 2 * 2</gadget>
<output>200</output>

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

<gadget id="calculator">1_250 + 200 + 100</gadget>
<output>1_550</output>

<result>1_550</result>