Alright, let's work through 6603 times 3445 step by step
6603 × 3445 = 3445 × (6603)
+ 3445 × 3 what gives us 10335
+ 3445 × 00 that is equal 0
+ 3445 × 600 producing 2067000
+ 3445 × 6000 that results in 20670000

= 22747335
