No problem, we've got 6440 and 5689 to multiply
6440 × 5689 = 5689 × (6440)
+ 5689 × 0 that is equal 0
+ 5689 × 40 giving us 227560
+ 5689 × 400 that results in 2275600
+ 5689 × 6000 giving us 34134000

= 36637160
