There is a rectangular color plate with a length of 36 cm and a width of 24 cm. At least how many such rectangles can be used to form a square.
有长36厘米，宽24厘米的长方形彩板，至少用多少块这样的长方形就可以拼出一个正方形．
<gadget id="calculator">2 * 2 * 2 * 3 * 3</gadget>
<output>72</output>

<gadget id="calculator">36 * 24</gadget>
<output>864</output>

<gadget id="calculator">72 / 864</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">72 * (1/12)</gadget>
<output>6</output>

<result>6</result>