Alright, let's work through 54543319 times 98755193 step by step
54543319 × 98755193 = 98755193 × (54543319)
+ 98755193 × 9 giving us 888796737
+ 98755193 × 10 which equals 987551930
+ 98755193 × 300 giving us 29626557900
+ 98755193 × 3000 producing 296265579000
+ 98755193 × 40000 producing 3950207720000
+ 98755193 × 500000 that results in 49377596500000
+ 98755193 × 4000000 producing 395020772000000
+ 98755193 × 50000000 giving us 4937759650000000

= 5386435994705567
