Compilation error (line 8, col 67): 'int' does not contain a definition for 'TotalHours' and no extension method 'TotalHours' accepting a first argument of type 'int' could be found (are you missing a using directive or an assembly reference?)
Compilation error (line 8, col 89): 'int' does not contain a definition for 'Minutes' and no extension method 'Minutes' accepting a first argument of type 'int' could be found (are you missing a using directive or an assembly reference?)