No problem, we've got 4580 and 6705 to multiply
4580 × 6705 = 6705 × (4580)
+ 6705 × 0 that is equal 0
+ 6705 × 80 giving us 536400
+ 6705 × 500 giving us 3352500
+ 6705 × 4000 giving us 26820000

= 30708900
