Somar 2 nĂºmeros com js dentro de body "document.write"

<!DOCTYPE html> <html> <head> <meta charset=utf-8> </head> <body> <h2>Somar 2 nĂºmeros com js dentro de body "document.write"</h2> <script> document.write(5 + 5); </script> </body> </html>