There are many rectangular stickers with a length of 2 decimeters and a width of 1 decimeter, and square stickers with a side length of 1 decimeter. Use these stickers to stick to a wooden board with a length of 3 decimeters and a width of 2 decimeters up, cover it. How many different schemes can you devise. (Those that form the same pattern after rotation or flipping count as one)
有很多张长2分米、宽1分米的长方形不干胶，和边长为1分米的正方形不干胶，用这些不干胶贴在一块长3分米、宽2分米的木板上，将其盖住．你能设计出多少种不同方案．(通过旋转或翻转后形成相同图案的算一种)
<gadget id="calculator">2 * 3</gadget>
<output>6</output>

<gadget id="calculator">2 * 1</gadget>
<output>2</output>

<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">2 + 5 + 3 + 1</gadget>
<output>11</output>

<result>11</result>