Alright, let's work through 8230090 times 13909455 step by step
8230090 × 13909455 = 13909455 × (8230090)
+ 13909455 × 0 what gives us 0
+ 13909455 × 90 yielding 1251850950
+ 13909455 × 000 producing 0
+ 13909455 × 0000 producing 0
+ 13909455 × 30000 giving us 417283650000
+ 13909455 × 200000 resulting in 2781891000000
+ 13909455 × 8000000 that is equal 111275640000000

= 114476066500950
