gguf math alpaca synthetic data instruct axolotl finetune gpt4 text-generation en dataset:TIGER-Lab/MathInstruct dataset:microsoft/orca-math-word-problems-200k base_model:meta-math/MetaMath-Mistral-7B base_model:quantized:meta-math/MetaMath-Mistral-7B license:other endpoints_compatible region:us conversational