The ratio of the number of boys to the number of girls in a certain class is 4:5. The following statement is wrong because the number of boys is much smaller than the number of girls.
某班男生人数与女生人数的比是4：5，下面说法错误的是男生人数比女生人数少多少．
<gadget id="calculator">5 - 4</gadget>
<output>1</output>

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

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