The park needs to build a wall with a length of 30 meters, a width of 24 centimeters and a height of 3 meters. It needs 500 bricks per cubic meter. How many bricks does the park need to buy?
公园要砌一道长30米，宽24厘米、高3米的墙，每立方米需要砖500块，公园需要买多少块砖？
<gadget id="calculator">24 / 100</gadget>
<output>6/25 = around 0.24</output>

<gadget id="calculator">30 * (6/25) * 3 * 500</gadget>
<output>10_800</output>

<result>10_800</result>