Program for Gallons to Liter Conversion in java

Program for Gallons to Liter Conversion in java

import java.io.*;
class Conversion
{
    public static void main(String args[])
    {
        double ans;
        for(int i=1;i<=20;i++)
        {
            ans=i*3.84;


            System.out.println(+i+" Gallons = "+ans+"Litres");
        }
    }
}

Output
1 Gallons = 3.84Litres
2 Gallons = 7.68Litres
3 Gallons = 11.52Litres
4 Gallons = 15.36Litres
5 Gallons = 19.2Litres
6 Gallons = 23.04Litres
7 Gallons = 26.88Litres
8 Gallons = 30.72Litres
9 Gallons = 34.56Litres
10 Gallons = 38.4Litres
11 Gallons = 42.239999999999995Litres
12 Gallons = 46.08Litres
13 Gallons = 49.92Litres
14 Gallons = 53.76Litres
15 Gallons = 57.599999999999994Litres
16 Gallons = 61.44Litres
17 Gallons = 65.28Litres
18 Gallons = 69.12Litres
19 Gallons = 72.96Litres
20 Gallons = 76.8Litres