public void DefaultConversion01Test()
        {
            Amount a = new Amount(100m, LengthUnits.KiloMeter);
            Amount b = UnitManager.ConvertTo(a, LengthUnits.Meter);

            Console.WriteLine("{0} = {1}", a, b);
            Assert.AreEqual(100000m, b.Value);
            Assert.AreEqual(LengthUnits.Meter, b.Unit);
        }