There is a room in Mingming’s house that is 4 meters long and 3 meters wide. How many square bricks are needed to pave the floor with an area of 25 square decimeters?
明明家有一个房间长4米，宽3米，用面积25平方分米的方砖铺地，需要多少块？
<gadget id="calculator">3 / 0.25</gadget>
<output>12</output>

<gadget id="calculator">4 * 12</gadget>
<output>48</output>

<result>48</result>