Kobayashi participated in the 2008 elementary school "Olympic" mathematics competition. There were 50 questions in the whole set of test papers. The scoring standard was to get 2 points for each correct answer, and 1 point was deducted for each wrong answer. It is known that Xiaolin scored 88 points in this competition, please help Xiaolin calculate how many questions he got wrong in this competition.
小林参加2008年小学"奥林匹克"数学竞赛，整套试卷共有50道题，评分标准是每答对一道得2分，每答错一道题不但不得分还要反扣1分．已知小林这次竞赛得了88分，请你帮小林算出在这次竞赛中答错了几道题．
<gadget id="calculator">50 * 2</gadget>
<output>100</output>

<gadget id="calculator">100 - 88</gadget>
<output>12</output>

<gadget id="calculator">1 + 2</gadget>
<output>3</output>

<gadget id="calculator">12 / 3</gadget>
<output>4</output>

<result>4</result>