There are 48 students in the class, and there are 7 students who are good students, accounting for the number of students in the class.
全班有48位同学，三好学生有7位，占全班人数的多少．
<gadget id="calculator">7 / 48</gadget>
<output>7/48 = around 0.145833</output>

<result>7/48 = around 0.145833</result>