Class 6 and 2 of a certain elementary school have to elect two sports committee members (no distinction between the principal and the deputy). The voting rule is that each student can only select 2 candidates from 4 candidates. If 9 or more students must vote for the same 2 candidates, how many students should there be in this class?
某小学六2班要选两名体育委员(不分正副)，投票规则是每个同学只能从4名候选人中挑选2名．如果必须有9名或9名以上的同学投了相同的2名候选人的票，这个班至少应有多少个同学？
<gadget id="calculator">3 + 2 + 1</gadget>
<output>6</output>

<gadget id="calculator">6 * 8</gadget>
<output>48</output>

<gadget id="calculator">48 + 1</gadget>
<output>49</output>

<result>49</result>