If the total number of students in a class is less than 40, they can be divided into groups of 4 or 6, and all of them are just finished. How many students are there at most in this class?
一个班的学生总人数在40人以内，可以分成4人一组，也可以分成6人一组，都正好分完．请问这个班的学生最多有多少人？
<gadget id="calculator">3 * 2 * 2</gadget>
<output>12</output>

<gadget id="calculator">12 * 3</gadget>
<output>36</output>

<result>36</result>