tokens: When formating a numeric string as currency , you have to parse it back before you can re-convert it back to a numeric form , this depends on the curency formatting rules you used to create the number in the first place .
ner_tags: O O O O B-Data_Type O B-Data_Type O O O O O O O O O O O O O O O B-Data_Type O O O O O O B-Data_Type O O O O O O O O O O O O O