There are 25% more girls than boys in class 61, and 5 fewer boys than girls. How many students are there in this class?
六1班女生比男生多25%，男生人数比女生人数少5人，这个班共有多少学生？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">5 / (1/4)</gadget>
<output>20</output>

<gadget id="calculator">20 + 5</gadget>
<output>25</output>

<gadget id="calculator">25 + 20</gadget>
<output>45</output>

<result>45</result>