Cut a piece of rectangular paper with a length of 30 cm and a width of 24 cm into squares of the same size. It is required that there is no remaining paper. How many such squares can be cut at least?
把一张长30厘米，宽24厘米的长方形纸裁成同样大的正方形，要求纸没有剩余，最少可以裁出多少个这样的正方形？
<gadget id="calculator">2 * 3</gadget>
<output>6</output>

<gadget id="calculator">30 / 6</gadget>
<output>5</output>

<gadget id="calculator">24 / 6</gadget>
<output>4</output>

<gadget id="calculator">5 * 4</gadget>
<output>20</output>

<result>20</result>