SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function CAST (alias c) (children 1)
     ExpressionList (children 2)
      Function multiply (children 1)
       ExpressionList (children 2)
        Function CAST (children 1)
         ExpressionList (children 2)
          Literal \'0.1\'
          Literal \'Decimal(4, 4)\'
        Literal UInt64_5
      Literal \'Float64\'
