There are 48 students in Class 6 and 1 of Qizhi Primary School, and the number of girls is 5/7 of the number of boys. How many girls are there in Class 6 and 1?
启智小学六1班共有学生48人，其中女生人数是男生人数的(5/7)，六1班女生有多少人？
<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>

<gadget id="calculator">1 + (5/7)</gadget>
<output>12/7 = around 1.714286</output>

<gadget id="calculator">48 / (12/7)</gadget>
<output>28</output>

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

<result>20</result>