Alright, let's work through 49481475 times 81656320 step by step
49481475 × 81656320 = 81656320 × (49481475)
+ 81656320 × 5 that results in 408281600
+ 81656320 × 70 which equals 5715942400
+ 81656320 × 400 giving us 32662528000
+ 81656320 × 1000 giving us 81656320000
+ 81656320 × 80000 producing 6532505600000
+ 81656320 × 400000 giving us 32662528000000
+ 81656320 × 9000000 resulting in 734906880000000
+ 81656320 × 40000000 that equals 3266252800000000

= 4040475156672000
