Alright, let's work through 6645 times 6106 step by step
6645 × 6106 = 6106 × (6645)
+ 6106 × 5 producing 30530
+ 6106 × 40 that results in 244240
+ 6106 × 600 that is equal 3663600
+ 6106 × 6000 what gives us 36636000

= 40574370
