Alright, let's work through 66684483 times 84435692 step by step
66684483 × 84435692 = 84435692 × (66684483)
+ 84435692 × 3 that results in 253307076
+ 84435692 × 80 that equals 6754855360
+ 84435692 × 400 yielding 33774276800
+ 84435692 × 4000 giving us 337742768000
+ 84435692 × 80000 resulting in 6754855360000
+ 84435692 × 600000 that equals 50661415200000
+ 84435692 × 6000000 that results in 506614152000000
+ 84435692 × 60000000 that equals 5066141520000000

= 5630550467767236
