Alright, let's work through 1535 times 4083 step by step
1535 × 4083 = 4083 × (1535)
+ 4083 × 5 resulting in 20415
+ 4083 × 30 giving us 122490
+ 4083 × 500 resulting in 2041500
+ 4083 × 1000 resulting in 4083000

= 6267405
