PARIS MEMORIES #5: "AND NOW FOR SOMETHING COMPLETELY DIFFERENT ..."

This is the 1 600th AUTRES DIRECTIONS blogpost and to celebrate this milestone a little puzzle ...

A popular French TV show involves participants racing against the clock (and each other) to arrange a group of numbers in a formula to arrive at a required answer,

The five Parisian doors below are numbered - you may "click" on the photo to enlarge it if the numbers are too small.  You have to place the numbers in a formula to arrive at the answer 1 600!

Bonne chance mes amis!

OJ 

The answer will appear tomorrow if not supplied by one of you in the Comments below ...