Alright, let's work through 84722820 times 80271121 step by step
84722820 × 80271121 = 80271121 × (84722820)
+ 80271121 × 0 that equals 0
+ 80271121 × 20 that is equal 1605422420
+ 80271121 × 800 which equals 64216896800
+ 80271121 × 2000 what gives us 160542242000
+ 80271121 × 20000 producing 1605422420000
+ 80271121 × 700000 what gives us 56189784700000
+ 80271121 × 4000000 that equals 321084484000000
+ 80271121 × 80000000 that results in 6421689680000000

= 6800795735681220
