SICP - Exercise 1.2

;; [[Exercise]]

;; Exercise 1.2:
;; Translate the following expression into prefix form.
;;
;; (5 + 4 + (2 - (3 - (6 + 4/5)))) / (3 * (6 - 2) * (2 - 7))

;; [[Sample Answer]]

(/ (+ 5 (+ 4 (- 2 (- 3 (+ 6 (/ 4 5)))))) (* 3 (- 6 2) (- 2 7))) ; -37/150