Alright, let's work through 90004942 times 21022836 step by step
90004942 × 21022836 = 21022836 × (90004942)
+ 21022836 × 2 which equals 42045672
+ 21022836 × 40 which equals 840913440
+ 21022836 × 900 giving us 18920552400
+ 21022836 × 4000 yielding 84091344000
+ 21022836 × 00000 yielding 0
+ 21022836 × 000000 that equals 0
+ 21022836 × 0000000 resulting in 0
+ 21022836 × 90000000 which equals 1892055240000000

= 1892159134855512
