There are 8 questions in an English competition, and Xiao Li gets 17 points after finishing it. Because it is stipulated that he gets 4 points for a correct question and 1 point for a wrong question. Do you know how many questions Xiao Li got wrong?
一次英语比赛共8道题，小李做完后得17分，因为规定做对一道题得4分，做错一道题扣掉1分，你知道小李做错了几道题吗？
<gadget id="calculator">8 * 4</gadget>
<output>32</output>

<gadget id="calculator">32 - 17</gadget>
<output>15</output>

<gadget id="calculator">4 + 1</gadget>
<output>5</output>

<gadget id="calculator">15 / 5</gadget>
<output>3</output>

<result>3</result>