Alright, let's work through 83103072 times 48897707 step by step
83103072 × 48897707 = 48897707 × (83103072)
+ 48897707 × 2 resulting in 97795414
+ 48897707 × 70 that equals 3422839490
+ 48897707 × 000 what gives us 0
+ 48897707 × 3000 producing 146693121000
+ 48897707 × 00000 that equals 0
+ 48897707 × 100000 that results in 4889770700000
+ 48897707 × 3000000 that is equal 146693121000000
+ 48897707 × 80000000 what gives us 3911816560000000

= 4063549665455904
