Alright, let's work through 48081547 times 81218598 step by step
48081547 × 81218598 = 81218598 × (48081547)
+ 81218598 × 7 which equals 568530186
+ 81218598 × 40 yielding 3248743920
+ 81218598 × 500 which equals 40609299000
+ 81218598 × 1000 what gives us 81218598000
+ 81218598 × 80000 which equals 6497487840000
+ 81218598 × 000000 that results in 0
+ 81218598 × 8000000 that is equal 649748784000000
+ 81218598 × 40000000 producing 3248743920000000

= 3905115837011106
