Alright, let's work through 28383808 times 38692178 step by step
28383808 × 38692178 = 38692178 × (28383808)
+ 38692178 × 8 what gives us 309537424
+ 38692178 × 00 which equals 0
+ 38692178 × 800 yielding 30953742400
+ 38692178 × 3000 yielding 116076534000
+ 38692178 × 80000 giving us 3095374240000
+ 38692178 × 300000 yielding 11607653400000
+ 38692178 × 8000000 giving us 309537424000000
+ 38692178 × 20000000 that equals 773843560000000

= 1098231351453824
