No problem, we've got 1420 and 4012 to multiply
1420 × 4012 = 4012 × (1420)
+ 4012 × 0 that results in 0
+ 4012 × 20 that is equal 80240
+ 4012 × 400 resulting in 1604800
+ 4012 × 1000 what gives us 4012000

= 5697040
