There are 5 red, yellow, and blue socks in a bag, how many socks should be taken out at a time to ensure that there is at least one of each color?
一个袋子里有红、黄、蓝袜子各5只，一次至少取出多少只才能保证每种颜色至少有一只？
<gadget id="calculator">5 + 5 + 1</gadget>
<output>11</output>

<result>11</result>