No problem, we've got 5160 and 1612 to multiply
5160 × 1612 = 1612 × (5160)
+ 1612 × 0 that is equal 0
+ 1612 × 60 what gives us 96720
+ 1612 × 100 that equals 161200
+ 1612 × 5000 yielding 8060000

= 8317920
