(RMMV) How to put line breaks in a variable string?

[Gamefall Team]

What is the result? What is shown in the window?

 

[Michael Primo]

What is the result? What is shown in the window?

Spoiler: Result

I see this.

Unfortunately with a wrong result.

I don't really understand how mistake I have done.

 

[Gamefall Team]

Mh, I see. I have to check it on a pc. I'm out for a research, I'll give you updates when I have solved

 

[Michael Primo]

Mh, I see. I have to check it on a pc. I'm out for a research, I'll give you updates when I have solved

Thanks so much! I hope to repay the favor one day!