Alright, let's work through 81008243 times 30220061 step by step
81008243 × 30220061 = 30220061 × (81008243)
+ 30220061 × 3 that is equal 90660183
+ 30220061 × 40 that is equal 1208802440
+ 30220061 × 200 what gives us 6044012200
+ 30220061 × 8000 that is equal 241760488000
+ 30220061 × 00000 that equals 0
+ 30220061 × 000000 giving us 0
+ 30220061 × 1000000 producing 30220061000000
+ 30220061 × 80000000 that is equal 2417604880000000

= 2448074044962823
