Alright, let's work through 12826846 times 90109914 step by step
12826846 × 90109914 = 90109914 × (12826846)
+ 90109914 × 6 that results in 540659484
+ 90109914 × 40 giving us 3604396560
+ 90109914 × 800 that is equal 72087931200
+ 90109914 × 6000 which equals 540659484000
+ 90109914 × 20000 which equals 1802198280000
+ 90109914 × 800000 giving us 72087931200000
+ 90109914 × 2000000 what gives us 180219828000000
+ 90109914 × 10000000 yielding 901099140000000

= 1155825989951244
