There is a chorus of less than 100 people, which can be divided into groups of 12 or 20. How many people are there in this chorus?
有一个百人以内的合唱队，按12人一组或按20人一组都正好分完，这个合唱队有多少人？
<gadget id="calculator">2 * 2 * 3 * 5</gadget>
<output>60</output>

<result>60</result>