Bluebulb Projects' The Measure of Things presents:
7,200 is about three-and-a-half times the number of Steps in the Sears Tower.
In other words, it's 3.4140 times the count of Steps in the Sears Tower, and the count of Steps in the Sears Tower is 0.29290 times that amount.
(a.k.a. Willis Tower) (Chicago, Illinois) (steps per stairwell)