Alright, let's work through 54208247 times 42113381 step by step
54208247 × 42113381 = 42113381 × (54208247)
+ 42113381 × 7 which equals 294793667
+ 42113381 × 40 giving us 1684535240
+ 42113381 × 200 giving us 8422676200
+ 42113381 × 8000 that equals 336907048000
+ 42113381 × 00000 giving us 0
+ 42113381 × 200000 resulting in 8422676200000
+ 42113381 × 4000000 yielding 168453524000000
+ 42113381 × 50000000 giving us 2105669050000000

= 2282892559253107
