Please reference the photo at: screenshots<dot>firefox<dot>com/ak1Ss85a8nhM4o2t/brilliant<dot>org

for the question.
What is the value of XY???
Thank you

XY is all the letters raised to the 52nd power, multiplied together

XY = [(-24389)^(1/156)]^52 = (-24389)^(1/3)