There are 8 black, white, and yellow chopsticks, and they are mixed together. If you want to take out two pairs of chopsticks with different colors from these chopsticks, how many chopsticks should you take out at least to ensure that the requirements are met?
有黑色、白色、黄色的筷子各8根，混杂地放在一起，想从这些筷子中取出颜色不同的筷子两双，问至少要取出多少根，才能保证达到要求？
<gadget id="calculator">8 + 2 + 1</gadget>
<output>11</output>

<result>11</result>