Alright, let's work through 1887 times 3291 step by step
1887 × 3291 = 3291 × (1887)
+ 3291 × 7 resulting in 23037
+ 3291 × 80 giving us 263280
+ 3291 × 800 that is equal 2632800
+ 3291 × 1000 yielding 3291000

= 6210117
