We're going to solve 7839 multiplied by 4281
7839 × 4281 = 4281 × (7839)
+ 4281 × 9 producing 38529
+ 4281 × 30 that results in 128430
+ 4281 × 800 that results in 3424800
+ 4281 × 7000 that results in 29967000

= 33558759
