It is, and that's more-or-less the approach that https://alexlitzenberger.com/blog/building_a_minimal_transformer_for_10_digit_addition https://alexlitzenberger

It is, and that's more-or-less the approach that https://alexlitzenberger.com/blog/building_a_minimal_transformer_for_10_digit_addition https://alexlitzenberger.com/blog/building_a_minimal_transfo... uses.