nine

I exercise.

私は運動します

I exercise at the gym.

私はジムで運動します

I exercise at the gym on the ninth floor.

私は9階のジムで運動します

I exercise at the gym on the ninth floor on weekday evenings.

私は平日の夕方に9階のジムで運動します

I exercise at the gym on the ninth floor on weekday evenings with my friend.

私は友達と平日の夕方に9階のジムで運動します