Alright, let's work through 81768680 times 38272005 step by step
81768680 × 38272005 = 38272005 × (81768680)
+ 38272005 × 0 which equals 0
+ 38272005 × 80 that results in 3061760400
+ 38272005 × 600 yielding 22963203000
+ 38272005 × 8000 yielding 306176040000
+ 38272005 × 60000 that is equal 2296320300000
+ 38272005 × 700000 producing 26790403500000
+ 38272005 × 1000000 that is equal 38272005000000
+ 38272005 × 80000000 that results in 3061760400000000

= 3129451329803400
