feat: add different digit num in arithmetic operation

README.md

@@ -65,7 +65,7 @@ Arxiv Paper on Hugging Face: https://huggingface.co/papers/2502.11075
 from huggingface_hub import hf_hub_download
 import json
 
-dataset_name_list = ['arithmetic_operation/context_arithmetic_operation.json', 'arithmetic_operation/arithmetic_operation.json',
+dataset_name_list = ['arithmetic_operation/context_arithmetic_operation.json', 'arithmetic_operation/arithmetic_operation.json', 'arithmetic_operation/different_digit_arithmetic_operation.json',
             'mixed_number_sting/mixed_number_string_500_per_sample.json', 
             'num_list/num_list_500_per_sample_1000_length.json', 'num_list/num_list_500_per_sample_100_length.json', 
             'sequence/sequence_500_sample_100_length.json', 

arithmetic_operation/different_digit_arithmetic_operation.json

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cdddb51ae58434a49db4bb110963de7c089356e8901e7a58768fa88bd699d0f1
+size 2421226