To celebrate the National Day, Experimental Primary School organized a large-scale group gymnastics performance. Students participating in the performance stand 80 people in each row, and can stand in 50 rows. After changing the formation, it becomes 40 lines. How many people are in each line at this time?
为庆祝国庆节，实验小学组织了大型团体操表演．参加表演的学生每行站80人，可以站50行．变换队形后，变成了40行，此时每行多少人？
<gadget id="calculator">50 / 40</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">80 * (5/4)</gadget>
<output>100</output>

<result>100</result>