No problem, we've got 4520 and 4444 to multiply
4520 × 4444 = 4444 × (4520)
+ 4444 × 0 yielding 0
+ 4444 × 20 yielding 88880
+ 4444 × 500 what gives us 2222000
+ 4444 × 4000 what gives us 17776000

= 20086880
