Alright, let's work through 81662526 times 33696648 step by step
81662526 × 33696648 = 33696648 × (81662526)
+ 33696648 × 6 yielding 202179888
+ 33696648 × 20 that equals 673932960
+ 33696648 × 500 giving us 16848324000
+ 33696648 × 2000 producing 67393296000
+ 33696648 × 60000 resulting in 2021798880000
+ 33696648 × 600000 that results in 20217988800000
+ 33696648 × 1000000 resulting in 33696648000000
+ 33696648 × 80000000 producing 2695731840000000

= 2751753393412848
