ProgBasicsJavaBook2.1SimpleCalculations02InchesToCm

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        System.out.print("Inches = ");
        Double inches = scanner.nextDouble();
        Double centimeters = inches * 2.54;

        System.out.print("Centimeters = ");
        System.out.println(centimeters);
    }
}