Alright, let's work through 85664088 times 49137845 step by step
85664088 × 49137845 = 49137845 × (85664088)
+ 49137845 × 8 producing 393102760
+ 49137845 × 80 which equals 3931027600
+ 49137845 × 000 resulting in 0
+ 49137845 × 4000 that equals 196551380000
+ 49137845 × 60000 that is equal 2948270700000
+ 49137845 × 600000 which equals 29482707000000
+ 49137845 × 5000000 that equals 245689225000000
+ 49137845 × 80000000 that is equal 3931027600000000

= 4209348678210360
