We're going to solve 1431 multiplied by 8580
1431 × 8580 = 8580 × (1431)
+ 8580 × 1 that equals 8580
+ 8580 × 30 producing 257400
+ 8580 × 400 yielding 3432000
+ 8580 × 1000 that is equal 8580000

= 12277980
