Some helpful page regarding this:

• Help:Interwiki linking (enwiki)
• Magic words (MediaWiki)
• Parser Functions (MediaWiki)

{{FULLPAGENAME}} -> Pengguna:OwlyKnight/Bak pasir/1

{{PAGENAME}} -> OwlyKnight/Bak pasir/1

{{BASEPAGENAME}} -> OwlyKnight/Bak pasir

{{ROOTPAGENAME}} -> OwlyKnight

{{SUBPAGENAME}} -> 1

{{#expr: 1 + 1}} -> 2

{{#expr: {{SUBPAGENAME}} + 1}} -> 2

 Selesai