Alright, let's work through 89294879 times 18072728 step by step
89294879 × 18072728 = 18072728 × (89294879)
+ 18072728 × 9 which equals 162654552
+ 18072728 × 70 yielding 1265090960
+ 18072728 × 800 that results in 14458182400
+ 18072728 × 4000 giving us 72290912000
+ 18072728 × 90000 giving us 1626545520000
+ 18072728 × 200000 which equals 3614545600000
+ 18072728 × 9000000 producing 162654552000000
+ 18072728 × 80000000 producing 1445818240000000

= 1613802059959912
