Alright, let's work through 48138540 times 51088143 step by step
48138540 × 51088143 = 51088143 × (48138540)
+ 51088143 × 0 giving us 0
+ 51088143 × 40 yielding 2043525720
+ 51088143 × 500 yielding 25544071500
+ 51088143 × 8000 producing 408705144000
+ 51088143 × 30000 which equals 1532644290000
+ 51088143 × 100000 yielding 5108814300000
+ 51088143 × 8000000 that equals 408705144000000
+ 51088143 × 40000000 that equals 2043525720000000

= 2459308615331220
