transformers safetensors llama text-generation mathematics en dataset:hkust-nlp/dart-math-hard arxiv:2407.13690 arxiv:2403.04706 arxiv:2403.02884 base_model:meta-llama/Meta-Llama-3-8B base_model:finetune:meta-llama/Meta-Llama-3-8B license:llama3 model-index autotrain_compatible text-generation-inference endpoints_compatible region:us