There are less than 50 students in class 51. When doing exercises, there are 3 students for every 5 people standing in a row or 9 people standing in a row. How many people are there in this class?
五1班学生不到50人，做操时每5人站一行或9人站一行都余3人，这个班有多少人？
<gadget id="calculator">5 * 9</gadget>
<output>45</output>

<gadget id="calculator">45 + 3</gadget>
<output>48</output>

<result>48</result>