Xiaofei's living room is 48 decimeters long and 42 decimeters wide. The square bricks with the length of the lower side are chosen to pave the floor without cutting.
小菲家客厅长48分米、宽42分米，选用下面边长多少分米的方砖铺地不需要切割．
<gadget id="calculator">2 * 3</gadget>
<output>6</output>

<result>6</result>