<Li> <P> Inner staircase from sixth to seventh floor </P> </Li> <P> Inner staircase from sixth to seventh floor </P> <Li> <P> Inner staircase from seventh to eighth (the top) floor </P> </Li> <P> Inner staircase from seventh to eighth (the top) floor </P>

How many floors does the tower of pisa have
find me the text answering this question