Alright, let's work through 13831394 times 35038798 step by step
13831394 × 35038798 = 35038798 × (13831394)
+ 35038798 × 4 that results in 140155192
+ 35038798 × 90 producing 3153491820
+ 35038798 × 300 that is equal 10511639400
+ 35038798 × 1000 yielding 35038798000
+ 35038798 × 30000 producing 1051163940000
+ 35038798 × 800000 giving us 28031038400000
+ 35038798 × 3000000 that is equal 105116394000000
+ 35038798 × 10000000 yielding 350387980000000

= 484635420424412
