We're going to solve 8087 multiplied by 5830
8087 × 5830 = 5830 × (8087)
+ 5830 × 7 which equals 40810
+ 5830 × 80 which equals 466400
+ 5830 × 000 producing 0
+ 5830 × 8000 giving us 46640000

= 47147210
