> That is even broken in Labrador, so much work to do :(
>
> irb(main):001:0> require 'labrador'
> => true
> irb(main):002:0> [1,2,3].map + 2
> => [3, 4, 5]
> irb(main):003:0> [1,2,3].map + 2 * 3
> => [7, 8, 9] *** Arrrgh

I think that's right, * takes precedence. So you're getting the result
of '+ 6'.

T.