Use flower pots to form a 12-story square flower bed, and place 10 pots of flowers on each side of the innermost side. How many potted flowers are needed to place this square flower bed?
用花盆摆成一个12层的方阵花坛，最内每边摆10盆花．摆这个方阵花坛一共要多少盆花．
<gadget id="calculator">12 - 1</gadget>
<output>11</output>

<gadget id="calculator">11 * 2</gadget>
<output>22</output>

<gadget id="calculator">22 + 10</gadget>
<output>32</output>

<gadget id="calculator">32 * 32</gadget>
<output>1_024</output>

<gadget id="calculator">10 - 2</gadget>
<output>8</output>

<gadget id="calculator">8 * 8</gadget>
<output>64</output>

<gadget id="calculator">1_024 - 64</gadget>
<output>960</output>

<result>960</result>