Alright, let's work through 6412 times 5620 step by step
6412 × 5620 = 5620 × (6412)
+ 5620 × 2 what gives us 11240
+ 5620 × 10 giving us 56200
+ 5620 × 400 what gives us 2248000
+ 5620 × 6000 that is equal 33720000

= 36035440
