Alright, let's work through 3995 times 7187 step by step
3995 × 7187 = 7187 × (3995)
+ 7187 × 5 that equals 35935
+ 7187 × 90 resulting in 646830
+ 7187 × 900 yielding 6468300
+ 7187 × 3000 giving us 21561000

= 28712065
