There are more than 30 people in Class 5 and 1, and they are divided into groups of 6 or 9, and they are just finished. How many people are there in Class 5 1?
五1班有30几人，分成6人一组或9人一组都正好分完．五1班有多少人．
<gadget id="calculator">2 * 3 * 3</gadget>
<output>18</output>

<gadget id="calculator">18 * 2</gadget>
<output>36</output>

<result>36</result>