Alright, let's work through 18173828 times 98406992 step by step
18173828 × 98406992 = 98406992 × (18173828)
+ 98406992 × 8 giving us 787255936
+ 98406992 × 20 giving us 1968139840
+ 98406992 × 800 resulting in 78725593600
+ 98406992 × 3000 which equals 295220976000
+ 98406992 × 70000 yielding 6888489440000
+ 98406992 × 100000 resulting in 9840699200000
+ 98406992 × 8000000 which equals 787255936000000
+ 98406992 × 10000000 that results in 984069920000000

= 1788431746605376
