Let's calculate 6451 x 6143
6451 × 6143 = 6143 × (6451)
+ 6143 × 1 what gives us 6143
+ 6143 × 50 which equals 307150
+ 6143 × 400 that results in 2457200
+ 6143 × 6000 giving us 36858000

= 39628493
