Alright, let's work through 6424 times 1606 step by step
6424 × 1606 = 1606 × (6424)
+ 1606 × 4 that is equal 6424
+ 1606 × 20 what gives us 32120
+ 1606 × 400 resulting in 642400
+ 1606 × 6000 giving us 9636000

= 10316944
