[Mateon1]

See how GNU units resolves this:

  1/10 m -> 0.1 / m
  1|10 m -> 0.1 m
  27 ^ 2/3 -> 243
  27 ^ 2|3 -> 9

You get the gist of it - a division operator with insane precedence.

[sharkdp]

Ha! That's a really neat idea. Thank you for sharing this. I'll consider adding it.