Alright, let's work through 2788 times 2290 step by step
2788 × 2290 = 2290 × (2788)
+ 2290 × 8 that is equal 18320
+ 2290 × 80 yielding 183200
+ 2290 × 700 that is equal 1603000
+ 2290 × 2000 yielding 4580000

= 6384520
