There are no more than 50 students in the first class of the second grade. When playing a game on the playground, the teacher found that there are 3 more students in each group of 6, and 3 more students in each group of 7. Do you know how many students there are in this class? person?
二年级一班的学生人数不超过50人，一次在操场上做游戏，分组时老师发现，每6人一组多3人，每7人一组也多3人，你知道这一班有多少人吗？
<gadget id="calculator">6 * 7</gadget>
<output>42</output>

<gadget id="calculator">42 + 3</gadget>
<output>45</output>

<result>45</result>