There are 40 students in Class 1 of June, including 25 boys, how many girls are boys
六1班有学生40人，其中男生25人，女生是男生的多少
<gadget id="calculator">40 - 25</gadget>
<output>15</output>

<gadget id="calculator">15 / 25</gadget>
<output>3/5 = around 0.6</output>

<result>3/5 = around 0.6</result>