ref: bbfee60f6716dce8cf7a802c044cf7d0fe8bb6f2
dir: /test/mp.sl/
(def x 9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999) (apply * (map-int (λ (_) x) 1000))