If a room is paved with bricks with a length of 4 decimeters and a width of 3 decimeters, 240 pieces will be used. Now it is paved with square bricks with a side length of 6 decimeters, how many pieces will be used?
铺一个房间，若用长4分米、宽3分米的砖铺要用240块，现在改用边长6分米的方砖来铺，则要用多少块？
<gadget id="calculator">3 * 4 * 240</gadget>
<output>2_880</output>

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

<gadget id="calculator">2_880 / 36</gadget>
<output>80</output>

<result>80</result>