@Komakozy15gmail
You might want to take your email address out of your screen name as this is a public forum that everyone can see, or you might have other people (the scammers) try to take more of your money.
Like Andy indicated, check your account on Roku or any other subscriptions that you may have accidentally subscribed. I also suggest setting up a pin for preventing accidental/unauthorized subscriptions.
If you didn't authorize those charges, contact your bank.