Alright, let's work through 68445784 times 89249361 step by step
68445784 × 89249361 = 89249361 × (68445784)
+ 89249361 × 4 producing 356997444
+ 89249361 × 80 giving us 7139948880
+ 89249361 × 700 producing 62474552700
+ 89249361 × 5000 that results in 446246805000
+ 89249361 × 40000 giving us 3569974440000
+ 89249361 × 400000 resulting in 35699744400000
+ 89249361 × 8000000 yielding 713994888000000
+ 89249361 × 60000000 what gives us 5354961660000000

= 6108742485144024
