The big clock on the telegraph building lasts for 2 seconds every time it is struck, and it takes a total of 42 seconds to strike 6 times. Then, how many seconds does it take to strike 11 times?
电报大楼上的大钟，每敲1下声音持续2秒，敲响6下一共需要42秒，那么，敲11下一共需要多少秒．
<gadget id="calculator">11 * 2</gadget>
<output>22</output>

<gadget id="calculator">11 - 1</gadget>
<output>10</output>

<gadget id="calculator">6 * 2</gadget>
<output>12</output>

<gadget id="calculator">42 - 12</gadget>
<output>30</output>

<gadget id="calculator">6 - 1</gadget>
<output>5</output>

<gadget id="calculator">30 / 5</gadget>
<output>6</output>

<gadget id="calculator">10 * 6</gadget>
<output>60</output>

<gadget id="calculator">22 + 60</gadget>
<output>82</output>

<result>82</result>