No problem, we've got 8064 and 2490 to multiply
8064 × 2490 = 2490 × (8064)
+ 2490 × 4 that equals 9960
+ 2490 × 60 that is equal 149400
+ 2490 × 000 what gives us 0
+ 2490 × 8000 resulting in 19920000

= 20079360
