How many days I can stay in US on the basis of a receipt notice?

I am in USA, i got my receipt notice today! How many days I can stay in US as per the receipt notice.

I heard that it is 240 days, so will be legal to stay in US that much or it’s not 240 days

Its 240 days from your I94 expiry.

thanks for the answer and prompt reply! appreciated!

Can I get family members to USA on visited vesa?