How many parking spots are there in San Francisco?

To tackle the question of how many parking spots are in San Francisco, start by breaking down the problem into manageable components. Consider the city's area and population density, then estimate the number of vehicles per household. Think about the types of parking available, such as street parking, private lots, and garages. Use reasonable assumptions and round numbers to simplify your calculations, and be prepared to explain your thought process clearly. Aim to provide a rough estimate while demonstrating your logical reasoning and ability to make educated assumptions.