var a = db.Match.aggregate( [
   {
     $addFields: {
    	total_goal: { $add: [ "$home_team_goal", "$away_team_goal" ] }
     }
	},
	{ $sort : { total_goal : -1} },
	{ $project : { total_goal: 1  } },
	{ $limit : 1 }
	])

db.Match.find(
    {
        $expr:{$eq : [{$add: [ "$home_team_goal", "$away_team_goal" ]}, "a.total_goal"]}
    }
);


a