A company conducts an English test for recruits. The test questions consist of 50 multiple-choice questions. The scoring standard stipulates that if you choose a correct answer to each question, you will get 3 points, if you don’t choose an answer, you will get 0 points, and if you choose a wrong answer, 1 point will be deducted. It is known that a person has 5 questions that have not been answered and scored 103 points. How many questions did this person choose wrong?
某企业对应聘人员进行英语考试，试题由50道选择题组成，评分标准规定：每道题的答案选对得3分，不选得0分，选错倒扣1分．已知某人有5道题未作，得了103分，则这个人选错了多少道题．
<gadget id="calculator">50 - 5</gadget>
<output>45</output>

<gadget id="calculator">45 * 3</gadget>
<output>135</output>

<gadget id="calculator">135 - 103</gadget>
<output>32</output>

<gadget id="calculator">3 + 1</gadget>
<output>4</output>

<gadget id="calculator">32 / 4</gadget>
<output>8</output>

<result>8</result>