sub add{
    my $value1 = $_[0];
    my $value2 = $_[1];
    my $result = ($value1 + $value2);
}

##</code><code>##

sub add{
    my $value1 = $_[0];
    my $value2 = $_[1];
    ($value1 + $value2);
}

##</code><code>##

sub add{
    ($_[0] + $_[1]);
}

##</code><code>##

sub add{
    return ($_[0] + $_[1]);
}