No problem, we've got 4382 and 1622 to multiply
4382 × 1622 = 1622 × (4382)
+ 1622 × 2 which equals 3244
+ 1622 × 80 what gives us 129760
+ 1622 × 300 that results in 486600
+ 1622 × 4000 resulting in 6488000

= 7107604
