No problem, we've got 4658 and 2705 to multiply
4658 × 2705 = 2705 × (4658)
+ 2705 × 8 which equals 21640
+ 2705 × 50 that is equal 135250
+ 2705 × 600 what gives us 1623000
+ 2705 × 4000 giving us 10820000

= 12599890
