Alright, let's work through 70185881 times 66223845 step by step
70185881 × 66223845 = 66223845 × (70185881)
+ 66223845 × 1 that equals 66223845
+ 66223845 × 80 yielding 5297907600
+ 66223845 × 800 giving us 52979076000
+ 66223845 × 5000 producing 331119225000
+ 66223845 × 80000 giving us 5297907600000
+ 66223845 × 100000 resulting in 6622384500000
+ 66223845 × 0000000 which equals 0
+ 66223845 × 70000000 that equals 4635669150000000

= 4647978904532445
