No problem, we've got 8644 and 606 to multiply
8644 × 606 = 606 × (8644)
+ 606 × 4 resulting in 2424
+ 606 × 40 what gives us 24240
+ 606 × 600 what gives us 363600
+ 606 × 8000 producing 4848000

= 5238264
