Simplify the following text for a Grade 5 native English-speaking person.
Original: There are more than 29 thousand rivers are more than 90,000 kilometers ( ~ 55,862 Â miles ) in Perm Krai .
Simplified: There are more than 29 thousand rivers in Perm Krai . The total length of all rivers is more than 90,000 kilometers ( ~ 55862 mi ) .