Alright, let's work through 80955983 times 75395221 step by step
80955983 × 75395221 = 75395221 × (80955983)
+ 75395221 × 3 what gives us 226185663
+ 75395221 × 80 that is equal 6031617680
+ 75395221 × 900 that results in 67855698900
+ 75395221 × 5000 which equals 376976105000
+ 75395221 × 50000 which equals 3769761050000
+ 75395221 × 900000 producing 67855698900000
+ 75395221 × 0000000 which equals 0
+ 75395221 × 80000000 producing 6031617680000000

= 6103694229557243
