SyncornizationContextTwo.cs

var calcularSalarioTask = CalcularSalarioAsync();

calcularSalarioTask.ContinueWith(t =>
{
    var erros = t.Exception as AggregateException;

    if (erros == null)
    {
        Console.WriteLine(t.Result);
    }

    else
    {
        Exception excecaoAtual = errors.InnerExceptions.First();
        Console.WriteLine(excecaoAtual.Message);
    }

}, TaskScheduler.FromCurrentSynchronizationContext());