The school wants to pave floor tiles for a rectangular meeting room with a circumference of 30 meters and a width of 6 meters. Four floor tiles cover exactly 1 square meter. How many bricks are needed to pave this meeting room?
学校要给一间周长是30米，宽6米的长方形会议室铺地砖，四块地砖正好铺1平方米，铺好这间会议室需要多少块砖？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">6 / (1/4)</gadget>
<output>24</output>

<gadget id="calculator">30 * 24</gadget>
<output>720</output>

<result>720</result>