There are 48 students in Class 2, Grade 6, and the ratio of boys to the total number is 5:8, so how many girls are there?
六年级2班有学生48人，男生与总人数的比是5：8，则女生有多少人．
<gadget id="calculator">8 - 5</gadget>
<output>3</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">48 * (3/8)</gadget>
<output>18</output>

<result>18</result>