Alright, let's work through 8117492 times 19355749 step by step
8117492 × 19355749 = 19355749 × (8117492)
+ 19355749 × 2 that results in 38711498
+ 19355749 × 90 yielding 1742017410
+ 19355749 × 400 yielding 7742299600
+ 19355749 × 7000 producing 135490243000
+ 19355749 × 10000 that is equal 193557490000
+ 19355749 × 100000 giving us 1935574900000
+ 19355749 × 8000000 that results in 154845992000000

= 157120137661508
