คืนค่าสถิติด้วยทูเพิล

using System;
using System.Linq;
class Program
{
    static (int Min, int Max, double Average) Stats(int[] values)
        => (values.Min(), values.Max(), values.Average());
    static void Main()
    {
        var (min, max, average) = Stats(new[] { 2, 5, 8 });
        Console.WriteLine($"{min}, {max}, {average:F1}");
    }
}