The students participated in the performance at the opening ceremony of the sports meeting. 243 students lined up in 3 square formations, and each square stood in 9 rows. How many students were there in each row?
同学们参加运动会开幕式表演，243名同学排成3个方阵，每个方阵站9行，每行有多少名同学？
<gadget id="calculator">243 / 3 / 9</gadget>
<output>9</output>

<result>9</result>