Alright, let's work through 2620 times 3589 step by step
2620 × 3589 = 3589 × (2620)
+ 3589 × 0 what gives us 0
+ 3589 × 20 yielding 71780
+ 3589 × 600 that is equal 2153400
+ 3589 × 2000 producing 7178000

= 9403180
