Alright, let's work through 6730627 times 57420879 step by step
6730627 × 57420879 = 57420879 × (6730627)
+ 57420879 × 7 that equals 401946153
+ 57420879 × 20 yielding 1148417580
+ 57420879 × 600 which equals 34452527400
+ 57420879 × 0000 resulting in 0
+ 57420879 × 30000 giving us 1722626370000
+ 57420879 × 700000 yielding 40194615300000
+ 57420879 × 6000000 resulting in 344525274000000

= 386478518561133
