The school organizes a spring outing. Mr. Wang divides the whole class into groups of 12 or 9, which is exactly the number of students in the class.
学校组织春游，王老师把全班学生分成12人一组或9人一组都正好分完，全班至少有多少人．
<gadget id="calculator">2 * 2 * 3 * 3</gadget>
<output>36</output>

<result>36</result>