The school wants to decorate a meeting room with a length of 8M and a width of 6M. It plans to use square bricks with a side length of 50cm to pave the floor. How many square bricks are needed at least?
学校要装修长8M，宽6M的会议室，打算用边长50cm的方砖铺地面，最少需要多少块方砖．
<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) * (1/2)</gadget>
<output>1/4 = around 0.25</output>

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

<gadget id="calculator">8 * 24</gadget>
<output>192</output>

<result>192</result>