Xiao Ming and Xiao Li live in the same building. Xiao Ming lives on the fifth floor and Xiao Li lives on the sixth floor. Xiao Ming has to walk 80 steps when she comes home every day, and Xiao Li has to walk () steps when she comes home

Xiao Ming and Xiao Li live in the same building. Xiao Ming lives on the fifth floor and Xiao Li lives on the sixth floor. Xiao Ming has to walk 80 steps when she comes home every day, and Xiao Li has to walk () steps when she comes home

Xiao Ming lives on the fifth floor and needs to walk on the fourth floor
Xiao Li lives on the sixth floor and needs to walk on the fifth floor
Then the first floor = 80 △ 4 = 20
Xiaoli needs to walk 20 * 5 = 100 steps