Alright, let's work through 1530 times 1591 step by step
1530 × 1591 = 1591 × (1530)
+ 1591 × 0 giving us 0
+ 1591 × 30 that is equal 47730
+ 1591 × 500 that is equal 795500
+ 1591 × 1000 resulting in 1591000

= 2434230
