There are 10 chopsticks of red, black, and white colors mixed together. If you want to take out two pairs of different colors from these chopsticks in the dark, how many chopsticks should you take at least to ensure that the requirements are met?
有红、黑、白三种颜色的筷子10根，混杂放在一起，黑暗中想从这些筷子中取出颜色不同的两双，至少要取多少根才能保证达到要求？
<gadget id="calculator">10 + 2 + 1</gadget>
<output>13</output>

<result>13</result>