Alright, let's work through 54690990 times 98020824 step by step
54690990 × 98020824 = 98020824 × (54690990)
+ 98020824 × 0 that results in 0
+ 98020824 × 90 that results in 8821874160
+ 98020824 × 900 that is equal 88218741600
+ 98020824 × 0000 that results in 0
+ 98020824 × 90000 which equals 8821874160000
+ 98020824 × 600000 producing 58812494400000
+ 98020824 × 4000000 giving us 392083296000000
+ 98020824 × 50000000 resulting in 4901041200000000

= 5360855905175760
