Given the following ::= | {+ } | {with { } } | | { } (define-type F1WAE [num (n number?)] [add (Lhs F1WAE?) (rhs F1WAE?)] [with (name symbol?) (named-expr F1WAE?) (body F1WAE?)] [id (name symbol?)] [app (fun-name symbol?) (arg F1WAE?)]) Write a function that triples a number

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