Alright, let's work through 84476376 times 16170547 step by step
84476376 × 16170547 = 16170547 × (84476376)
+ 16170547 × 6 which equals 97023282
+ 16170547 × 70 what gives us 1131938290
+ 16170547 × 300 that is equal 4851164100
+ 16170547 × 6000 what gives us 97023282000
+ 16170547 × 70000 which equals 1131938290000
+ 16170547 × 400000 which equals 6468218800000
+ 16170547 × 4000000 resulting in 64682188000000
+ 16170547 × 80000000 that is equal 1293643760000000

= 1366029208497672
