We're going to solve 1509 multiplied by 6216
1509 × 6216 = 6216 × (1509)
+ 6216 × 9 giving us 55944
+ 6216 × 00 producing 0
+ 6216 × 500 that results in 3108000
+ 6216 × 1000 which equals 6216000

= 9379944
