Calculator Program in C# (Console Application) 

Code for the program:
using System;
namespace ConsoleApp5
{
internal class Program
{
static void Main(string[] args)
{
int num1, num2, result;
char op;
Console.WriteLine("First number: ");
num1 = int.Parse(Console.ReadLine());
Console.WriteLine("Operation: ");
op = char.Parse(Console.ReadLine());
Console.WriteLine("Second number: ");
num2 = int.Parse(Console.ReadLine());
switch (op)
{
case '+':
result = num1 + num2;
Console.WriteLine($"{num1} + {num2} = {result}");
break;
case '-':
result = num1 - num2;
Console.WriteLine($"{num1}-{num2}={result}");
break;
case '*':
result = num1 * num2;
Console.WriteLine($"{num1}*{num2}={result}");
break;
case '/':
if (num2 == 0)
{
Console.WriteLine("Can't divide by zero");
}
else
{
result = num1 / num2;
Console.WriteLine($"{num1}/{num2}={result}");
}
break;
}
Console.ReadLine();
}
}
}
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