static void Main(string[] args)
{
Car Yugo = new Car("Zastava", "55");
Yugo.Color = "white";
Console.WriteLine("Yugo is {0}.", Yugo.Color);
Console.WriteLine("Yugo is manufactured by {0}", Yugo.Manufacturer);
Console.WriteLine("Yugo model is {0}", Yugo.Model);
CarEngine engine = Yugo.Engine;
Console.WriteLine("Yugo has a {0} HP engine, model {1}", engine.Power, engine.Name);
Yugo.Drive();
Mathematics Math = new Mathematics();
List <int> nums = new List <int>();
nums.Add(1);
nums.Add(9);
Console.WriteLine("Sum = {0}", Mathematics.Sum(nums));
Console.WriteLine("Add = {0}", Math.Add(1, 9));
double n1 = 5, n2 = 0;
string oper;
oper = "+";
Console.WriteLine("[SimpleCalc] {0} {1} {2} = {3}", n1, oper, n2, SimpleCalc.Calc(oper, n1, n2));
oper = "-";
Console.WriteLine("[SimpleCalc] {0} {1} {2} = {3}", n1, oper, n2, SimpleCalc.Calc(oper, n1, n2));
oper = "*";
Console.WriteLine("[SimpleCalc] {0} {1} {2} = {3}", n1, oper, n2, SimpleCalc.Calc(oper, n1, n2));
oper = "/";
Console.WriteLine("[SimpleCalc] {0} {1} {2} = {3}", n1, oper, n2, SimpleCalc.Calc(oper, n1, n2));
Console.ReadKey();
}