Alright, let's work through 66799793 times 25997330 step by step
66799793 × 25997330 = 25997330 × (66799793)
+ 25997330 × 3 yielding 77991990
+ 25997330 × 90 what gives us 2339759700
+ 25997330 × 700 that results in 18198131000
+ 25997330 × 9000 yielding 233975970000
+ 25997330 × 90000 giving us 2339759700000
+ 25997330 × 700000 which equals 18198131000000
+ 25997330 × 6000000 which equals 155983980000000
+ 25997330 × 60000000 that results in 1559839800000000

= 1736616262552690
