Alright, let's work through 1560 times 3605 step by step
1560 × 3605 = 3605 × (1560)
+ 3605 × 0 that is equal 0
+ 3605 × 60 that equals 216300
+ 3605 × 500 yielding 1802500
+ 3605 × 1000 resulting in 3605000

= 5623800
