Alright, let's work through 1620 times 2441 step by step
1620 × 2441 = 2441 × (1620)
+ 2441 × 0 what gives us 0
+ 2441 × 20 producing 48820
+ 2441 × 600 that is equal 1464600
+ 2441 × 1000 what gives us 2441000

= 3954420
