Let's calculate 1245 x 8643
1245 × 8643 = 8643 × (1245)
+ 8643 × 5 that results in 43215
+ 8643 × 40 what gives us 345720
+ 8643 × 200 which equals 1728600
+ 8643 × 1000 what gives us 8643000

= 10760535
