Alright, let's work through 85734385 times 47354733 step by step
85734385 × 47354733 = 47354733 × (85734385)
+ 47354733 × 5 yielding 236773665
+ 47354733 × 80 that equals 3788378640
+ 47354733 × 300 that results in 14206419900
+ 47354733 × 4000 what gives us 189418932000
+ 47354733 × 30000 producing 1420641990000
+ 47354733 × 700000 giving us 33148313100000
+ 47354733 × 5000000 what gives us 236773665000000
+ 47354733 × 80000000 what gives us 3788378640000000

= 4059928910594205
