Alright, let's work through 80564475 times 38983834 step by step
80564475 × 38983834 = 38983834 × (80564475)
+ 38983834 × 5 that equals 194919170
+ 38983834 × 70 that is equal 2728868380
+ 38983834 × 400 that equals 15593533600
+ 38983834 × 4000 which equals 155935336000
+ 38983834 × 60000 that equals 2339030040000
+ 38983834 × 500000 that results in 19491917000000
+ 38983834 × 0000000 what gives us 0
+ 38983834 × 80000000 what gives us 3118706720000000

= 3140712119697150
