Xiaoguang walked 80 meters, 125 steps for the first time, 130 steps for the second time, 123 steps for the third time and 122 steps for the fourth time. His average step length was () meters?

Xiaoguang walked 80 meters, 125 steps for the first time, 130 steps for the second time, 123 steps for the third time and 122 steps for the fourth time. His average step length was () meters?

0.64m