Autumn is here, the weather is cold, a group of wild geese fly south, there are 2 geese in front of the 2 geese, 2 geese behind the 2 geese, and 2 geese in between. How many wild geese are there in the sky?
秋天到了，天气凉了，一群大雁往南飞，2只前面有2只，2只后面有2只，2只中间还有2只．天上一共有多少只大雁．
<gadget id="calculator">2 + 2 + 2</gadget>
<output>6</output>

<result>6</result>