C# - Intro to Numbers

int a = 18;
int b = 6;
int c = 23;
int d = a * (b + c) - 43 + 73 * b;
Console.WriteLine(d);
int e = (a + b) / c;
int f = (a + b) % c;
Console.WriteLine($"quotient: {e}");
Console.WriteLine($"remainder: {f}");
int max = int.MaxValue;
int min = int.MinValue;
Console.WriteLine($"The range of integers is {min} to {max}");
int what = max + 3;
Console.WriteLine($"An example of overflow: {what}");
//
double g = 35;
double h = 574;
double i = 73;
double j = (g + h) / i + 36 / 52 * h - 25 + g;
Console.WriteLine(j);
double maxx = double.MaxValue;
double minn = double.MinValue;
Console.WriteLine($"The range of double is {minn} to {maxx}");
double third = 1.0 / 3.0;
Console.WriteLine(third);
//
decimal miin = decimal.MinValue;
decimal maax = decimal.MaxValue;
Console.WriteLine($"The range of the decimal type is {miin} to {maax}");
double l = 1.0;
double m = 3.0;
Console.WriteLine(l / m);
//
decimal n = 1.0M;
decimal o = 3.0M;
Console.WriteLine(n / o);
//
decimal PI = 3.1415926535897931M;
decimal k = 2.5M;
Console.WriteLine(k * k * PI);