# Use of {0} and comments - Practice Exercises C# Sharp

## Lesson 1:

## First contact with C#

## Exercise 1.6:

## Use of {0} and comments

## Objetive:

## Write a C# program to ask the user for three numbers and display their multiplication.
The first line must be a comment with your name and surname. It MUST look as follows:

Enter the first number to multiply

12

Enter the second number to multiply

23

Enter the third number to multiply

2

## Source Code:

```
using System;
public class Multiplication
{
public static void Main()
{
int number1, number2, number3;
Console.Write("Enter the first number to multiply: ");
number1 = Convert.ToInt32(Console.ReadLine());
Console.Write("Enter the second number to multiply: ");
number2 = Convert.ToInt32(Console.ReadLine());
Console.Write("Enter the third number to multiply: ");
number3 = Convert.ToInt32(Console.ReadLine());
int result = number1 * number2 * number3;
Console.WriteLine("Result: {0} x {1} x {2} = {3}", number1, number2, number3, result);
}
}
```

Exercisey 1.6