2^50*4^30*2:8^37
=2^50+(2^2)^30*2:(2^3)^37
=2^50+2^60*2:2^111
=2^50+2^61:2^111
=2^50+2^-50
=2^50*1/2^50
=2^50/2^50
=1
Kawaiimath