Update tools/FinalAnswerTool.py

tools/FinalAnswerTool.py

@@ -10,7 +10,7 @@ settings = Settings()
 print(settings.llm_model_id)
 class FinalAnswerTool(Tool):
     name = "final_answer"
-    description = "Provides the exact, few comma separated words or a single final answer to the given question."
+    description = "Return only the final answer as a clean string. Provides the exact, few comma separated words or a single final answer to the given question."
     inputs = {
         "answer": {"type": "string", "description": "The final, correctly formatted answer string."},
     }
@@ -26,7 +26,7 @@ class FinalAnswerTool(Tool):
             answer = match.group(1)
         # Remove LaTeX symbols and keep letters, digits, commas
         answer = re.sub(r'[\$\{\}\\]', '', answer)
-        answer = re.sub(r'[^A-Za-z0-9,]', ' ', answer)
+        answer = re.sub(r'[^A-Za-z0-9,\.\-\+/ ]', ' ', answer)
         answer = " ".join(answer.split())  # Remove extra spaces
 
         if not answer: