How do I enter Additional Medical Insurance Premiums; when I try to enter it there is a: $0 how do I enter the value?

I have tried to enter the dollar value but Turbo Tax has $0 in the box and I cannot get the 0 to delete and I cannot enter the value, how do I do it?

Get your taxes done using TurboTax

Here you go:

https://ttlc.intuit.com/replies/7080616

____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*