At the school sports meeting, among the students participating in the group gymnastics performance, there are 400 boys and 300 girls, and 20 people stand in each row. How many more boys stand than girls? (answer in two ways)
学校运动会上，参加团体操表演的同学中，男生有400人，女生有300人，每行站20人，男生比女生多站几人？(用两种方法解答)
<gadget id="calculator">400 / 20</gadget>
<output>20</output>

<gadget id="calculator">300 / 20</gadget>
<output>15</output>

<gadget id="calculator">20 - 15</gadget>
<output>5</output>

<result>5</result>