Hope Primary School has about 540 students. The ratio of boys to girls is about 5:4. How many percent more boys than girls?
希望小学大约有学生540人，男生与女生的人数比大约是5：4，男生人数比女生人数多百分之几？
<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>