ref: c6cf65a38062ddc38a3703f2239f2bdb657d9011
dir: /test/mp.lsp/
(def x 9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999) (apply * (map-int (λ (_) x) 1000))