Assignemnt #38 and SpaceBoxing

Code
/// Name: Yordan Rashkov
/// Period: 7
/// Program Name: Space Boxing
/// File Name: SpaceBoxing.java
/// Date Finished: 11/4/2015

import java.util.Scanner;

public class SpaceBoxing
{
    public static void main( String[] args )
    {
        Scanner keyboard = new Scanner(System.in);
        
        int weight, numberchosen, int 1 = 0.78, int 2 = 0.39, int 3 = 2.65, int 4 = 1.17, int 5 = 1.05, int 6 = 1.23;
        
        System.out.println( " Please enter your current Earth weight: " );
        weight = keyboard.nextInt();
        
        System.out.println( " I have information for the following planets: ");
        
        System.out.print( " 1. Venus " );
        System.out.print( " 2. Mars " );
        System.out.print( " 3. Jupiter " );
        System.out.print( " 4. Saturn " );
        System.out.print( " 5. Uranus " );
        System.out.print( " 6. Neptune " );
        
        System.out.println( " Which planet are you planning to visit? Enter the number associated with the planet: " );
        numberchosen = keyboard.nextDouble();
        
        System.out.println( Your weight would be " " + weight + " * " + numberchosen + " " );
    }
}