Ya, parsing the file is generally not bad at all. The problem comes with the fact that LLMs are notoriously bad with numbers and formatted data. So the current approach of passing relevant information to the LLM and asking it to generate answers will produce misleading information when larger tables are passed in.

By asking the LLM to generate a formula though, it doesn't actually need to do any number crunching of its own which makes solving the challenge a bit more reliable when it comes to LLMs.