number of units; count of machines/vehicles
Used for counting large objects typically counted with the counter 台 (だい), such as cars, computers, televisions, and other machinery.
この駐車場の収容台数は200台です。
The capacity of this parking lot is 200 cars.
Please check the number of computers produced at the factory.
I counted the number of cars parked in the lot.
The number of electric vehicles sold is increasing every year.
This manufacturer has a larger number of units than other companies.