Alright, let's work through 20753376 times 80002868 step by step
20753376 × 80002868 = 80002868 × (20753376)
+ 80002868 × 6 giving us 480017208
+ 80002868 × 70 which equals 5600200760
+ 80002868 × 300 resulting in 24000860400
+ 80002868 × 3000 what gives us 240008604000
+ 80002868 × 50000 that equals 4000143400000
+ 80002868 × 700000 which equals 56002007600000
+ 80002868 × 0000000 that results in 0
+ 80002868 × 20000000 giving us 1600057360000000

= 1660329600682368
