The length of a conference room is 6m, the width is 5m, and the floor is paved with square bricks with a side length of 0.5m. How many bricks will be used in total?
一间会议室的长是6m，宽是5m，用每块边长是0.5m的方砖铺地面，一共要用多少块？
<gadget id="calculator">0.5 * 0.5</gadget>
<output>0.25</output>

<gadget id="calculator">5 / 0.25</gadget>
<output>20</output>

<gadget id="calculator">6 * 20</gadget>
<output>120</output>

<result>120</result>