When you type a number 10 and press Enter, the line of input assigned to $originaldist consists of three
characters: the 1, the 0, and a newline character.
#!/usr/local/bin/perl
print ("Enter the distance to be converted:\n");
$originaldist = ;
chop ($originaldist);
$miles = $originaldist * 0.6214;
$kilometers = $originaldist * 1.609;
print ($originaldist, " kilometers = ", $miles," miles\n");
print ($originaldist, " miles = ", $kilometers, " kilometers\n");