How many digits from 1 to 1 lakh are formed with the numbers 0,7,8?

Ch-107

Alexander and Stephen came down after they washed up. 

Adiana is helping Ava to sit on her seat. Ava is 5 years now. She can walk steadily and speak for a while now. 

Ava sat on her chair. Because of her height, she couldn't reach the table. So Adiana placed a pillow on the chair and made her sit. 

Adiana, who saw Alexander and Stephen were coming down, went forward and dragged their seats back for them. 

"Tsk, Tsk, Tsk, already so big but still someone has to drag chairs for you to sit," Laura snickered at them. 

Adiana froze in her place. Even Alexander and Stephen are stunned. 

It became a habit for Adiana to pull back the chairs. She did that for every elder, not for only them. That is how she was taught.