Reprocess it, reuse it as fuel....you are left with is a small amount of short lifespan waste
True.
Strip out all the Pu and other TRU's, Cs and Sr (whic cause most of the heating and will be down to 1/1024 their inital levels in about 3 centuries) and the ability of long term was repositories goes up 204x
That's 204 times their present capacity, not 204%.