Class 2 and Class 2 lined up to do exercises, with 8 people in each row. After 3 rows, there were still 16 students who did not line up. How many rows can students from Class 2 and Class 2 form in total?
二2班同学排队做操，每行排8人，排了3行后，还有16个同学没有排．二2班同学一共可以排成多少行．
<gadget id="calculator">16 / 8</gadget>
<output>2</output>

<gadget id="calculator">2 + 3</gadget>
<output>5</output>

<result>5</result>