Alright, let's work through 2664 times 2189 step by step
2664 × 2189 = 2189 × (2664)
+ 2189 × 4 yielding 8756
+ 2189 × 60 what gives us 131340
+ 2189 × 600 what gives us 1313400
+ 2189 × 2000 resulting in 4378000

= 5831496
