No problem, we've got 4805 and 3570 to multiply
4805 × 3570 = 3570 × (4805)
+ 3570 × 5 what gives us 17850
+ 3570 × 00 which equals 0
+ 3570 × 800 which equals 2856000
+ 3570 × 4000 that equals 14280000

= 17153850
