We're going to solve 4322 multiplied by 1807
4322 × 1807 = 1807 × (4322)
+ 1807 × 2 producing 3614
+ 1807 × 20 resulting in 36140
+ 1807 × 300 that equals 542100
+ 1807 × 4000 yielding 7228000

= 7809854
