How many seconds does it take for the big clock on the square to strike 6 times at 6 o'clock and 12 times at 12 o'clock?
广场上的大钟6时敲6下用10秒，12时敲12下，用多少秒．
<gadget id="calculator">6 - 1</gadget>
<output>5</output>

<gadget id="calculator">10 / 5</gadget>
<output>2</output>

<gadget id="calculator">12 - 1</gadget>
<output>11</output>

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

<result>22</result>