No problem, we've got 3805 and 4980 to multiply
3805 × 4980 = 4980 × (3805)
+ 4980 × 5 giving us 24900
+ 4980 × 00 giving us 0
+ 4980 × 800 what gives us 3984000
+ 4980 × 3000 giving us 14940000

= 18948900
