(729×8+729×492)÷90×(520800÷400-498
(729*8+729*492)/90*(520800/400-498)=3 256 200
729*8=5832
729*492=358668
358668+5832=364500
364500/90=4050
520800/400=1302
1302-498=804
4050*804=3256200