Alright, let's work through 87966511 times 49698532 step by step
87966511 × 49698532 = 49698532 × (87966511)
+ 49698532 × 1 that results in 49698532
+ 49698532 × 10 that equals 496985320
+ 49698532 × 500 yielding 24849266000
+ 49698532 × 6000 which equals 298191192000
+ 49698532 × 60000 which equals 2981911920000
+ 49698532 × 900000 producing 44728678800000
+ 49698532 × 7000000 resulting in 347889724000000
+ 49698532 × 80000000 giving us 3975882560000000

= 4371806461861852
