Forms: How to generate subject using user's input when form submitted


I made a form in HTML which works thanks to ( I’ve been trying to figure out how to receive an email through the form I made but with the subject adjusted to the user’s input.

For example, the form has these elements:

And when they hit submit, I would like to receive the email with their name in the subject. I’m not sure as to how I can achieve this.

Any advice and help is very much appreciated! Thank you!

HI HTML is just litle code i recommend you learning javascript because they co-operate.