Alright, let's work through 80230446 times 49840271 step by step
80230446 × 49840271 = 49840271 × (80230446)
+ 49840271 × 6 yielding 299041626
+ 49840271 × 40 resulting in 1993610840
+ 49840271 × 400 that results in 19936108400
+ 49840271 × 0000 that results in 0
+ 49840271 × 30000 which equals 1495208130000
+ 49840271 × 200000 which equals 9968054200000
+ 49840271 × 0000000 giving us 0
+ 49840271 × 80000000 what gives us 3987221680000000

= 3998707171090866
