The number of people participating in extracurricular activities is 25, which is 1 more than the number of people in the class (3/5). What is the correct formula for calculating the number of people in the class?
参加课外活动的人数有25人，比全班人数的(3/5)还多1人，计算全班人数的正确列式是多少
<gadget id="calculator">25 - 1</gadget>
<output>24</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">24 / (3/5)</gadget>
<output>40</output>

<result>40</result>