There are 28 boys in a certain class, and girls are the number of boys (5/7). How many students are there in this class?
某班有男生28人，女生是男生人数的(5/7)．这个班有学生多少人？
<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>

<gadget id="calculator">28 * (5/7)</gadget>
<output>20</output>

<gadget id="calculator">20 + 28</gadget>
<output>48</output>

<result>48</result>