There are 16 socks of 5 colors with the same specification and size, mixed in a box. At least how many socks must be taken out from the box to ensure that there must be 3 pairs of socks (socks are not divided into left and right).
有规格尺寸相同的5种颜色的袜子各16只，混装在箱子里．从箱子中至少要取出多少只袜子才能保证一定有3双袜子(袜子无左、右之分)．
<gadget id="calculator">6 + 2 + 2</gadget>
<output>10</output>

<result>10</result>