How can I put $ sign onteh calculation result -- I followed the suggest

How can I put $ sign onteh calculation result -- I followed the suggestion to add $ sign from the keyboard before the added field - please advise

You can add $ sign like this for example:

Just make sure that the sign is added as a string (notice that the $ sign is light gray), and you do that by clicking on it.

You can check how it works here:

https://form.jotform.com/91481990284971