Alright, let's work through 1536 times 845 step by step
1536 × 845 = 845 × (1536)
+ 845 × 6 producing 5070
+ 845 × 30 giving us 25350
+ 845 × 500 what gives us 422500
+ 845 × 1000 that results in 845000

= 1297920
