A choir is rehearsing, and a row of 6 or 9 people is exactly full of people. It is now known that the number of people in this choir is between thirty and fifty. How many people are there in this choir?
一个合唱团进行彩排，6人一排或9人一排都正好排完全部人员．现知道这个合唱团的人数在三十到五十人之间，这个合唱团有多少人？
<result>36</result>