Alright, let's work through 66818710 times 54274232 step by step
66818710 × 54274232 = 54274232 × (66818710)
+ 54274232 × 0 giving us 0
+ 54274232 × 10 that results in 542742320
+ 54274232 × 700 what gives us 37991962400
+ 54274232 × 8000 resulting in 434193856000
+ 54274232 × 10000 yielding 542742320000
+ 54274232 × 800000 that results in 43419385600000
+ 54274232 × 6000000 giving us 325645392000000
+ 54274232 × 60000000 which equals 3256453920000000

= 3626534168480720
