Alright, let's work through 3052021 times 81314582 step by step
3052021 × 81314582 = 81314582 × (3052021)
+ 81314582 × 1 resulting in 81314582
+ 81314582 × 20 that results in 1626291640
+ 81314582 × 000 which equals 0
+ 81314582 × 2000 which equals 162629164000
+ 81314582 × 50000 what gives us 4065729100000
+ 81314582 × 000000 that results in 0
+ 81314582 × 3000000 resulting in 243943746000000

= 248173811870222
