Alright, let's work through 18238602 times 13428710 step by step
18238602 × 13428710 = 13428710 × (18238602)
+ 13428710 × 2 giving us 26857420
+ 13428710 × 00 producing 0
+ 13428710 × 600 that equals 8057226000
+ 13428710 × 8000 producing 107429680000
+ 13428710 × 30000 yielding 402861300000
+ 13428710 × 200000 giving us 2685742000000
+ 13428710 × 8000000 that results in 107429680000000
+ 13428710 × 10000000 resulting in 134287100000000

= 244920897063420
