We're going to solve 1858 multiplied by 8490
1858 × 8490 = 8490 × (1858)
+ 8490 × 8 that is equal 67920
+ 8490 × 50 that is equal 424500
+ 8490 × 800 producing 6792000
+ 8490 × 1000 that results in 8490000

= 15774420
