In a gymnastics competition, there are 3 or 4 people in a row in a certain class, and the number of people in this class is close to 50. How many people are there in this class?
在体操比赛中，某班每行排3人或4人都正好排成整行，这个班的人数接近50人，请问这个班有多少人？
<gadget id="calculator">4 * 3</gadget>
<output>12</output>

<gadget id="calculator">12 * 4</gadget>
<output>48</output>

<result>48</result>