Li Ming made a math test paper with 25 questions in total. It is stipulated that 2 points will be awarded for a correct answer, 1 point will be deducted for a wrong answer, and no points will be awarded for unanswered questions. Li Ming scored a total of 34 points, and knowing that the number of questions he did not answer is odd, how many questions did he answer wrong.
李明做了一份数学试卷，共25题．规定答对一题得2分，答错一题扣1分，未答的题不得分．李明共得了34分，且知他未答的题目是奇数个，则他答错多少道题．
<result>2</result>