A total of 320 students in the third grade participated in the group dance competition. They first lined up in 8 columns with the same number, and then divided into 4 squares with the same number. How many people are there in each square?
三年级一共有320名学生参加集体舞的比赛，他们先排成人数相同的8列，再分成4个人数相同的方阵，每个方阵有多少人？
<gadget id="calculator">320 / 4</gadget>
<output>80</output>

<result>80</result>