There are 48 students in Class 1, Xiaojun, Xiaoming and Xiaoli vote for a monitor. Each person is required to vote for one vote, and each vote writes a name, and the one with the most votes is elected. The accumulated votes counted: Jun got 17 votes, Xiao Ming got 11 votes, and Xiao Li got 9 votes. If Xiaojun wants to be elected, how many more votes does she need at least?
六1班有学生48人，从小君、小明和小丽三人中投票选一名班长，要求每人投一票，每票写一个人名，由得票数最多的当选．计算得票数中累计：小君得17票，小明得11票，小丽得9票．如果小君想当选，那么她至少要再得多少张票？
<result>3</result>