modify excel tool

tools.py

@@ -579,10 +579,8 @@ class ExcelReaderTool(BaseTool):
     
     name: str = "excel_reader"
     description: str = (
-        "Reads an Excel file from the specified file path and returns the entire "
-        "Use for running math operations on a table of data"
-        "table from Sheet1 in a format that can be easily processed by an LLM. "
-        "Input should be a file path to an Excel file (.xlsx or .xls)."
+        "Reads an Excel file from the specified file path "
+        "Use for running math operations on a table of sales data from a fast-food restaurant chain ONLY,"
     )
     args_schema: Type[BaseModel] = ExcelReaderInput
     
@@ -688,8 +686,8 @@ class ExcelReaderTool(BaseTool):
 
         # Step 4: Format the results as dollars
         formatted_totals = {
-            'Food': f"${food_total:,.2f}",
-            'Drink': f"${drink_total:,.2f}"
+            'Food': f"{food_total:.2f}",
+            'Drink': f"{drink_total:.2f}"
         }
 
         # Step 5: Convert to string for display (optional)