Alright, let's work through 28104240 times 45362863 step by step
28104240 × 45362863 = 45362863 × (28104240)
+ 45362863 × 0 what gives us 0
+ 45362863 × 40 yielding 1814514520
+ 45362863 × 200 which equals 9072572600
+ 45362863 × 4000 that results in 181451452000
+ 45362863 × 00000 which equals 0
+ 45362863 × 100000 that is equal 4536286300000
+ 45362863 × 8000000 giving us 362902904000000
+ 45362863 × 20000000 which equals 907257260000000

= 1274888788839120
