Cut a rectangle with a length of 18cm and a width of 12cm into the largest square without any surplus. How many pieces can be cut at most?
把一个长18cm，宽12cm的长方形剪成最大的正方形，并且不剩余，最多可以剪多少个．
<gadget id="calculator">18 * 12</gadget>
<output>216</output>

<gadget id="calculator">2 * 3 * 2 * 3</gadget>
<output>36</output>

<gadget id="calculator">216 / 36</gadget>
<output>6</output>

<result>6</result>