Let's calculate 7144 x 6397
7144 × 6397 = 6397 × (7144)
+ 6397 × 4 that results in 25588
+ 6397 × 40 that is equal 255880
+ 6397 × 100 that is equal 639700
+ 6397 × 7000 yielding 44779000

= 45700168
