There are 80 boys and 60 girls in Class 1 of the sixth grade. How many percent are the girls less than the boys?
六年级1班有男生80人，女生60人，女生人数比男生人数少百分之几？
<gadget id="calculator">80 - 60</gadget>
<output>20</output>

<gadget id="calculator">20 / 80</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>