A rectangular piece of iron sheet is 30 decimeters long and 24 decimeters wide. If you want to cut it into squares of the same size, how many pieces can you cut at least?
一块长方形铁皮，长30分米、宽24分米，要将它剪成同样大小的正方形，至少可以剪多少个？
<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>