//  Miles.kt  Copyright (c) Kari Laitinen

//  http://www.naturalprogramming.com

//  2018-10-28  File created.

/*  This program demonstrates:

    - getting a Double value from the keyboard
    - use of Double variables in simple calculations
    - formatting strings for output

*/

fun main()
{
   print( "\n This program converts miles to kilometers."
      +   "\n Please, give a distance in miles: " )

   val distance_in_miles  = readLine()!!.toDouble()

   val distance_in_kilometers = 1.6093 * distance_in_miles

   // Almost the same output is generated by using two differing
   // output mechanisms.

   print( "\n ${ distance_in_miles } miles is ${ distance_in_kilometers } "
      +   "kilometers." )

   print( String.format( "\n %.3f miles is %.3f kilometers. \n",
                         distance_in_miles, distance_in_kilometers ) )
}