A rectangular floor tile is 24 cm long and 16 cm wide. Do not make any cuts to the floor tiles, how many pieces are needed to pave a square with this kind of floor tiles.
一种长方形地砖，长24厘米，宽16厘米．不得对地砖进行任何切割，用这种地砖铺一个正方形至少要多少块．
<gadget id="calculator">2 * 2 * 2 * 2 * 3</gadget>
<output>48</output>

<gadget id="calculator">48 / 24</gadget>
<output>2</output>

<gadget id="calculator">48 / 16</gadget>
<output>3</output>

<gadget id="calculator">2 * 3</gadget>
<output>6</output>

<result>6</result>