Alright, let's work through 1560 times 8427 step by step
1560 × 8427 = 8427 × (1560)
+ 8427 × 0 yielding 0
+ 8427 × 60 producing 505620
+ 8427 × 500 that is equal 4213500
+ 8427 × 1000 giving us 8427000

= 13146120
