The class is divided into groups. Each group can be divided into 6 people or 7 people. The number of people is about 40 to 50. How many people are there in the class?
班级分组，每组6人或每组7人都能刚好分完，人数在40～50左右，求班级有多少人？
<gadget id="calculator">6 * 7</gadget>
<output>42</output>

<result>42</result>