Alright, let's work through 1530 times 8439 step by step
1530 × 8439 = 8439 × (1530)
+ 8439 × 0 producing 0
+ 8439 × 30 that equals 253170
+ 8439 × 500 giving us 4219500
+ 8439 × 1000 resulting in 8439000

= 12911670
