String is converted to a number automatically

  


#!/usr/bin/perl -w

print "0.25" * 4, "\n";

1.	Concatenating a number and a string
2.	Adding number to a string
3.	How Strings Are Converted to Numbers
4.	What happens if we try and join a number to a string?
5.	Converting Strings to Numbers
6.	The result when these two strings are compared depends on whether a string or integer comparison is being performed.
7.	String (with digits) is converted to number during the math operation
8.	String (without digits) is converted to number during the math operation

String is converted to a number automatically : Casting « Data Type « Perl