Xiaoli's student number is a two-digit number, which is a multiple of 6, and is greater than 30 and smaller than 40. What is Xiaoli's student number?
小力学号是一个两位数，是6的倍数，且比30大，比40小，小力的学号是多少．
<gadget id="calculator">6 * 6</gadget>
<output>36</output>

<result>36</result>