Alright, let's work through 47843404 times 90901640 step by step
47843404 × 90901640 = 90901640 × (47843404)
+ 90901640 × 4 yielding 363606560
+ 90901640 × 00 that is equal 0
+ 90901640 × 400 that results in 36360656000
+ 90901640 × 3000 that is equal 272704920000
+ 90901640 × 40000 resulting in 3636065600000
+ 90901640 × 800000 that is equal 72721312000000
+ 90901640 × 7000000 which equals 636311480000000
+ 90901640 × 40000000 what gives us 3636065600000000

= 4349043886782560
