It depends- what size step are you talking about with the _____ step equal to the adult step?
138 steps in the spanish steps.
There are about 12- 10 steps on a step pyramid.
Steps in miles. For an accurate answer, we would need to know the length of your step. However, an average person takes about 2000 steps to walk 1 mile.
It depends on how far one step is for you. When you work that out, divide the total distance by that to get the number of steps.