No problem, we've got 5642 and 2859 to multiply
5642 × 2859 = 2859 × (5642)
+ 2859 × 2 which equals 5718
+ 2859 × 40 what gives us 114360
+ 2859 × 600 that is equal 1715400
+ 2859 × 5000 resulting in 14295000

= 16130478
