CALF-GolferAndRacer.cs

public sealed class Golfer
  : IDriver
{
  public void Drive()
  {
    var value = RandomNumberGenerator.GetInt32(250, 320);
    Console.WriteLine($"{value} yards");
  }
}

public sealed class Racer
  : IDriver
{
  public void Drive()
  {
    var value = RandomNumberGenerator.GetInt32(120, 220);
    Console.WriteLine($"{value} MPH");
  }
}