public Parser multiplication_format1() {
        if (multiplication_format1Parser == null) {
           FutureParser future = scoped("multiplication_format1");
           multiplication_format1Parser = future;
           future.setParser(
               sequence(
                   choice(
                       identifier(),
                       literal()
                   ),
                   token("BY"),
                   choice(
                       identifier(),
                       literal()
                   ),
                   token("GIVING"),
                   plus(
                       sequence(
                           qualifiedDataName(),
                           optional(
                               token("ROUNDED")
                           )
                       )
                   )
               )
           );
        }

        return multiplication_format1Parser;
    }