#RakuLang question: 

I am trying to print the sum every elements of $a. I expect it to print:

3
7
11

but it prints 6. What am I doing wrong here?

use v6.d;

sub MAIN() {
    my $a = [ [1,2], [3,4], [5,6] ];
    for $a -&gt; $b {
        my $t = [+] $b;
        say $t;
    }
}