Return a value from a nested success function in angularjs

I'm trying to retu a value from a nested function on my codes but it retu me undefined whenever i tried to display it. This is my codes:

var calculateAlbum = function (albumPath,albumName) {
            retu photoService.getPhotos(albumPath,albumName)
                    .success(function (data){                       
                        var status = data.myphotos.status;
                            if(status == "ok"){
                                    photoService.myphotosPhotoList()
                                        .success(function(data){
                                            $scope.allPhotoListTotal = {};
                                            var getAllPhotoList = data.config.nas_sharing;
                                            $scope.allPhotoListTotal = getAllPhotoList.count;
                                        });
                            }
                    });                 
    }

Retu a value:

calculateAlbum(albumPath,fileName).then(function(data) {            
                            var gettotal = $scope.allPhotoListTotal;
                            console.log(gettotal);

                        });

After retuing value in a console. It send me undefined. What is the best approached for this?