Exercise 1.2

Rewrite the following expression using prefix notation:

\[{5 + 4 + (2 - (3 - (6 + {4\over5})))\over3(6 - 2)(2 - 7)}.\]

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