Multiples of 3 and 5

Author: Mark A. Hershberger

https://projecteuler.net/problem=1

If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23.

Find the sum of all the multiples of 3 or 5 below 1000.

Source code: prob001-hexmode.pl

use v6;

say [+] gather {
    for (1..999) {
        take $_ if $_ % 3 == 0 || $_ % 5 == 0;
    }
}