Update app.py

app.py

@@ -56,7 +56,7 @@ def clean_latex2(latex):
     latex = latex.replace('\\ ', '')
     latex = latex.replace('\\\\', '\\')
     latex = re.sub(r'\\[ \t\n\r\f\v]*', '', latex)
-    latex = latex.replace(r'\times', '*')
+    latex = latex.replace(r'\times', 'x')
     latex = latex.replace(r'\cdot', '*')
     latex = latex.replace('−', '-').replace('–', '-')