Alright, let's work through 2187 times 1443 step by step
2187 × 1443 = 1443 × (2187)
+ 1443 × 7 which equals 10101
+ 1443 × 80 that equals 115440
+ 1443 × 100 what gives us 144300
+ 1443 × 2000 resulting in 2886000

= 3155841
