There are 8 black, white, and yellow chopsticks mixed together. In the dark, I want to take out two pairs of chopsticks with different colors from these chopsticks. Ask: How many chopsticks should I take at least to ensure that the requirements are met?
有黑色、白色、黄色的筷子各8根，混杂在一起，黑暗中想从这些筷子中取出颜色不同的两双筷子，问：至少要取多少根才能保证达到要求？
<gadget id="calculator">8 + 2 + 1</gadget>
<output>11</output>

<result>11</result>