Complex sentence: Drivers and Koldang (the mediator between users and drivers), pay a certain amount to the call center, and passengers have to pay an additional cost to the basic taxi fare depending on the time and distance.
Split into simpler sentences: Drivers and Koldang (the mediator between users and drivers), pay a certain amount to the call center. Passengers have to pay an additional cost along with basic taxi fare depending on the time and distance.