Alright, let's work through 68167993 times 66287496 step by step
68167993 × 66287496 = 66287496 × (68167993)
+ 66287496 × 3 resulting in 198862488
+ 66287496 × 90 giving us 5965874640
+ 66287496 × 900 that equals 59658746400
+ 66287496 × 7000 that results in 464012472000
+ 66287496 × 60000 what gives us 3977249760000
+ 66287496 × 100000 producing 6628749600000
+ 66287496 × 8000000 that results in 530299968000000
+ 66287496 × 60000000 yielding 3977249760000000

= 4518685563315528
