We're going to solve 4387 multiplied by 6544
4387 × 6544 = 6544 × (4387)
+ 6544 × 7 producing 45808
+ 6544 × 80 yielding 523520
+ 6544 × 300 which equals 1963200
+ 6544 × 4000 yielding 26176000

= 28708528
