Alright, let's work through 9531 times 4005 step by step
9531 × 4005 = 4005 × (9531)
+ 4005 × 1 which equals 4005
+ 4005 × 30 that results in 120150
+ 4005 × 500 which equals 2002500
+ 4005 × 9000 that equals 36045000

= 38171655
