There are 23 boys and 20 girls in class 6 (1). How many percent are girls less than boys? What is the column
六年(一)班有男生23人，女生20人，女生比男生少百分之几？列式是多少
<gadget id="calculator">23 - 20</gadget>
<output>3</output>

<gadget id="calculator">3 / 23</gadget>
<output>3/23 = around 0.130435</output>

<result>3/23 = around 0.130435</result>