Alright, let's work through 48510240 times 5297391 step by step
48510240 × 5297391 = 5297391 × (48510240)
+ 5297391 × 0 giving us 0
+ 5297391 × 40 which equals 211895640
+ 5297391 × 200 giving us 1059478200
+ 5297391 × 0000 yielding 0
+ 5297391 × 10000 producing 52973910000
+ 5297391 × 500000 giving us 2648695500000
+ 5297391 × 8000000 that equals 42379128000000
+ 5297391 × 40000000 resulting in 211895640000000

= 256977708783840
