A cuboid swimming pool, the bottom is 50 meters long, 15 meters wide, and 1.8 meters deep. The bottom and four walls are covered with rectangular tiles with an area of 3 square decimeters. How many tiles are needed in total?
一个长方体游泳池，底面长是50米，宽15米，深1.8米，底面和四壁贴面积3平方分米的长方形的瓷砖，一共需要多少块瓷砖？
<gadget id="calculator">50 + 15</gadget>
<output>65</output>

<gadget id="calculator">65 * 2 * 1.8</gadget>
<output>234</output>

<gadget id="calculator">50 * 15</gadget>
<output>750</output>

<gadget id="calculator">234 + 750</gadget>
<output>984</output>

<gadget id="calculator">100 / 3</gadget>
<output>100/3 = around 33.333333</output>

<gadget id="calculator">984 * (100/3)</gadget>
<output>32_800</output>

<result>32_800</result>