use strict;
$# = '$%.2f';  #Money format

my $amount = 123.2353;
my $taxes  = $amount * 6 / 100;

print "$amount - $taxes = ", $amount-$taxes;

print "\n$amount -", " $taxes = ", $amount-$taxes;

print "\n$amount -", $taxes," = ", $amount-$taxes;

# spaces are ignored! - newline is ignored!
print "\n$amount      ","-", $taxes," = ", $amount-$taxes;

print "\n","  $amount   ","-", $taxes," = ", $amount-$taxes;

print "\n$amount \-", $taxes," = ", $amount-$taxes;

#output
#123.2353 - 7.394118 = $115.84
#123.2353 - 7.394118 = $115.84
#123.2353 -$7.39 = $115.84$123.24-$7.39 = $115.84
#$123.24-$7.39 = $115.84
#123.2353 -$7.39 = $115.84