Alright, let's work through 1559 times 3969 step by step
1559 × 3969 = 3969 × (1559)
+ 3969 × 9 that is equal 35721
+ 3969 × 50 that results in 198450
+ 3969 × 500 yielding 1984500
+ 3969 × 1000 which equals 3969000

= 6187671
