The school organized a mathematics competition, with 20 questions in total, 5 points for a correct answer, and 3 points deducted for a wrong answer or a wrong answer. As a result, Xiaojun got 60 points. How many questions did Xiaojun get right?
学校组织数学竞赛，共有20道题目，做对一题得5分，不做或者做错一题均要倒扣3分，结果小军得了60分．请问小军做对了多少道题．
<gadget id="calculator">100 - 60</gadget>
<output>40</output>

<gadget id="calculator">40 / 8</gadget>
<output>5</output>

<gadget id="calculator">20 - 5</gadget>
<output>15</output>

<result>15</result>