There is a rectangular iron sheet, 96 cm long and 80 cm wide. To cut it into a square of the same size and as large an area as possible without any surplus, at least how many such squares can be cut?
有一块长方形铁皮，长96厘米，宽80厘米．要把它剪成同样大小，面积尽可能大的正方形，而没有剩余，至少可以剪多少个这样的正方形？
<gadget id="calculator">96 * 80</gadget>
<output>7_680</output>

<gadget id="calculator">2 * 2 * 2 * 2</gadget>
<output>16</output>

<gadget id="calculator">16 * 16</gadget>
<output>256</output>

<gadget id="calculator">7_680 / 256</gadget>
<output>30</output>

<result>30</result>