how many are there
キッチンに卵は何個あるの?
How many eggs are there in the kitchen?
ドイツには島が何個あるの?
How many islands are there in Germany?
この家って、部屋が何個あるの?
How many rooms does this house have?
郵便番号って、全部で何個あるの?
How many postal codes are there in total?