In a class of 50 students, there are 35 boys, how many girls account for the total number of the class
某班50人，男生有35人，女生人数占全班总人数的多少
<gadget id="calculator">50 - 35</gadget>
<output>15</output>

<gadget id="calculator">15 / 50</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">(3/10) * 1</gadget>
<output>3/10 = around 0.3</output>

<result>3/10 = around 0.3</result>