what is z 545+964435534.67876468-3456+890785411233456789009876543231-z=.0000000000000000001
545+964435534.67876468-3456+890785411233456789009876543231 = 890785411233456789010840975854.67876468+.0000000000000000001
890785411233456789010840975854.6787646800000000001=z