No problem, we've got 4285 and 3390 to multiply
4285 × 3390 = 3390 × (4285)
+ 3390 × 5 giving us 16950
+ 3390 × 80 that equals 271200
+ 3390 × 200 what gives us 678000
+ 3390 × 4000 that is equal 13560000

= 14526150
