A conference room needs 540 square bricks with an area of 25dm**2 to pave the floor. If the floor is replaced with square bricks with a side length of 6dm, how many bricks are needed? (answer with ratio)
一间会议室用面积为25dm**2的方砖铺地需要540块，如果改用边长为6dm的方砖铺地，需要多少块？(用比例解答)
<gadget id="calculator">540 * 25</gadget>
<output>13_500</output>

<gadget id="calculator">6 * 6</gadget>
<output>36</output>

<gadget id="calculator">13_500 / 36</gadget>
<output>375</output>

<result>375</result>