Alright, let's work through 81484832 times 87520932 step by step
81484832 × 87520932 = 87520932 × (81484832)
+ 87520932 × 2 that results in 175041864
+ 87520932 × 30 giving us 2625627960
+ 87520932 × 800 yielding 70016745600
+ 87520932 × 4000 what gives us 350083728000
+ 87520932 × 80000 what gives us 7001674560000
+ 87520932 × 400000 producing 35008372800000
+ 87520932 × 1000000 which equals 87520932000000
+ 87520932 × 80000000 that equals 7001674560000000

= 7131628440503424
