We're going to solve 4381 multiplied by 1688
4381 × 1688 = 1688 × (4381)
+ 1688 × 1 that is equal 1688
+ 1688 × 80 that equals 135040
+ 1688 × 300 yielding 506400
+ 1688 × 4000 resulting in 6752000

= 7395128
