How much is the management fee for two parking spaces?

You can park three smart-like cars in the main parking space, which will make you pay three times the property fee. Is it reasonable? And if I have two overdue cars and can only park one in the parking space at a time, how can I pay the management fee reasonably? If you buy a house, three generations have lived in it and there are many people. The property manager said that the property fee will not be paid according to the area of the house, but according to the number of people who go in. Do you think it's reasonable or not?