An old man was walking on the road, and it took 22 minutes to walk from the first telegraph pole to the 12th telegraph pole. The old man walked for 40 minutes. At this time, which telegraph pole did he go to?
一位老人在公路上散步，从第1根电线杆走到第12根电线杆处共用了22分钟．这位老人走了40分钟，这时他走到了第几根电线杆处？
<gadget id="calculator">12 - 1</gadget>
<output>11</output>

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

<gadget id="calculator">40 / 2</gadget>
<output>20</output>

<gadget id="calculator">20 + 1</gadget>
<output>21</output>

<result>21</result>