Yangmei placed 12 hexagons with small sticks (each small stick has the same length). How many squares can you make with these sticks? (Note: each square does not share the same stick)
杨梅用小棒摆了12个六边形(每根小棒长度一样)．如果用这些小棒摆正方形，可以摆多少个？(注：各正方形不共用同一根小棒)
<gadget id="calculator">12 / 4</gadget>
<output>3</output>

<gadget id="calculator">6 * 3</gadget>
<output>18</output>

<result>18</result>