A reduction in the number of boys in a class (by 1/5) is equal to the number of girls. The following statement is not correct is how much more boys are than girls
某班男生人数减少(1/5)就与女生人数相等，下面的说法不正确的是男生人数比女生人数多多少
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>