The school chorus has 48 boys and 36 girls. When rehearsing the program, boys and girls line up separately. To make each row have the same number of people, what is the maximum number of people in each row? How many rows do the boys line up?
学校合唱队有男生48人，女生36人．排练节目时男、女生分别排队，要使每排人数相同，每排最多可以排多少人？男生排几排？
<gadget id="calculator">2 * 2 * 3</gadget>
<output>12</output>

<gadget id="calculator">48 / 12</gadget>
<output>4</output>

<result>4</result>