Alright, let's work through 2621 times 906 step by step
2621 × 906 = 906 × (2621)
+ 906 × 1 producing 906
+ 906 × 20 producing 18120
+ 906 × 600 that is equal 543600
+ 906 × 2000 yielding 1812000

= 2374626
