Can any one explain me how 720 ?

Question

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SoloLearn
{
class Program
{
static int Fact(int num) {
if (num == 1) {
return 1;
}
return num * Fact(num - 1);
}
static void Main(string[] args)
{
Console.WriteLine(Fact(6));
}
}
}

Answer 1

it is an example of using recursion, when a function calls itself, to calculate the factorial of a number.
what it does basically is :
6x5x4x3x2x1 = 720

Answer 2

It's a math question: 6!=720

Answer 3

bahha🐧 thankssss bro