There are four rows of students participating in the chorus competition. There are 5 students in the first row, and 6 students in each of the other three rows. How many students participated in the chorus competition?
有四排同学参加合唱比赛，第一排有5个同学，另外三排每排各有6个同学，一共有多少个同学参加合唱比赛？
<gadget id="calculator">6 * 3</gadget>
<output>18</output>

<gadget id="calculator">18 + 5</gadget>
<output>23</output>

<result>23</result>