Use a rectangle with a length of 12 cm and a width of 9 cm to make a square, at least how many sheets of the rectangular paper should be used.
用长12厘米，宽9厘米的长方形拼正方形，最少要用该长方形纸多少张．
<gadget id="calculator">36 * 36</gadget>
<output>1_296</output>

<gadget id="calculator">12 * 9</gadget>
<output>108</output>

<gadget id="calculator">1_296 / 108</gadget>
<output>12</output>

<result>12</result>