public static Cons yieldArithmeticOperatorCallTree(Symbol operator, Cons operands) {
    return (Cons.list$(Cons.cons(Stella.SYM_STELLA_SYS_CALL_METHOD, Cons.cons(Stella.SGT_STELLA_NUMBER, Cons.cons(operator, Cons.cons(operands.concatenate(Stella.NIL, Stella.NIL), Stella.NIL))))));
  }