Divide 72 exercise books and 63 pencils equally to some students with excellent grades, and they are all just finished. How many students are there at most?
把72本练习本和63支铅笔平分给一些成绩优秀的学生，都刚好分完，问学生最多有几人？
<gadget id="calculator">3 * 3</gadget>
<output>9</output>

<result>9</result>