Update solver.py

solver.py

@@ -5,11 +5,9 @@ from sympy import integrate, diff, latex,simplify, expand, log, exp, sin, cos, t
 import re
 def format_expression(expr):
     try:
-        # For numeric expressions, evaluate and return the result
-        if hasattr(expr, 'evalf'):
-            evaluated = expr.evalf()
-            if evaluated.is_real:
-                return str(float(evaluated))
+        # Handle numeric evaluation first
+        if isinstance(expr, (sp.Integer, sp.Float)):
+            return str(float(expr))
         latex_expr = latex(expr)
         replacements = {
         '**': '^',  # Power notation