Alright, let's work through 8138254 times 28765376 step by step
8138254 × 28765376 = 28765376 × (8138254)
+ 28765376 × 4 yielding 115061504
+ 28765376 × 50 what gives us 1438268800
+ 28765376 × 200 that equals 5753075200
+ 28765376 × 8000 producing 230123008000
+ 28765376 × 30000 producing 862961280000
+ 28765376 × 100000 that is equal 2876537600000
+ 28765376 × 8000000 that is equal 230123008000000

= 234099936293504
