The school has a cylindrical flower bed with a bottom diameter of 8 meters and a height of 0.3 meters. Now it is necessary to paste rectangular tiles with a length of 30 cm and a width of 20 cm around the flower bed. How many tiles are needed at least? (Retain integers)
学校有一个圆柱形花坛，底面直径8米，高0.3米，现在要给花坛一周贴上长30厘米，宽20厘米的长方形瓷砖，至少需要多少块？(得数保留整数)
<gadget id="calculator">30 * 20</gadget>
<output>600</output>

<gadget id="calculator">100 / 600</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">3.14 * 8 * 100 * 3 * (1/6)</gadget>
<output>1_256</output>

<result>1_256</result>