Fill in wats missing?

this is one of the hardest equations known to man but I have the answer. it took me several years to figure out. I hope this helps.

** 2

Step-by-step explanation:

(1+1=2)

to explain how I did it-

1) I typed out 1+1 in calculator

2) no one can ever be smarter than me to be able to solve this equation so don't even try. give up! (:

3) good luck 'cause you're going to need it.