Alright, let's work through 66143388 times 80092611 step by step
66143388 × 80092611 = 80092611 × (66143388)
+ 80092611 × 8 that equals 640740888
+ 80092611 × 80 that results in 6407408880
+ 80092611 × 300 that results in 24027783300
+ 80092611 × 3000 giving us 240277833000
+ 80092611 × 40000 which equals 3203704440000
+ 80092611 × 100000 which equals 8009261100000
+ 80092611 × 6000000 that results in 480555666000000
+ 80092611 × 60000000 which equals 4805556660000000

= 5297596645306068
