static void Main(string[] args)
{
SoftuniMaths math = new SoftuniMaths();
math.PI = 3;
SoftuniMaths.Add(5, 4);
math.Multiply(5, 4);
}
static void Main(string[] args)
{
SoftuniMaths.Something = 55;
SoftuniMaths maths = new SoftuniMaths();
maths.PI = 3;
maths.Multiply(5, 6);
SoftuniMaths maths2 = new SoftuniMaths();
maths.PI = 333;
maths.Multiply(5, 6);
SoftuniMaths.Add(5, 6);
}