Alright, let's work through 53363543 times 80956734 step by step
53363543 × 80956734 = 80956734 × (53363543)
+ 80956734 × 3 giving us 242870202
+ 80956734 × 40 that equals 3238269360
+ 80956734 × 500 which equals 40478367000
+ 80956734 × 3000 that equals 242870202000
+ 80956734 × 60000 that results in 4857404040000
+ 80956734 × 300000 producing 24287020200000
+ 80956734 × 3000000 that equals 242870202000000
+ 80956734 × 50000000 yielding 4047836700000000

= 4320138155948562
