In the school group gymnastics performance, there are 360 boys and 320 girls, and 20 people stand in each row. How many rows are girls standing less than boys? What is the correct column
在学校团体操表演中，男生有360人，女生有320人，每行站20人，女生比男生少站多少行？正确列式是多少
<gadget id="calculator">360 - 320</gadget>
<output>40</output>

<gadget id="calculator">40 / 20</gadget>
<output>2</output>

<result>2</result>