We're going to solve 6645 multiplied by 4258
6645 × 4258 = 4258 × (6645)
+ 4258 × 5 what gives us 21290
+ 4258 × 40 yielding 170320
+ 4258 × 600 that results in 2554800
+ 4258 × 6000 that results in 25548000

= 28294410
