No problem, we've got 4028 and 4980 to multiply
4028 × 4980 = 4980 × (4028)
+ 4980 × 8 yielding 39840
+ 4980 × 20 that results in 99600
+ 4980 × 000 what gives us 0
+ 4980 × 4000 that is equal 19920000

= 20059440
