No problem, we've got 4722 and 1420 to multiply
4722 × 1420 = 1420 × (4722)
+ 1420 × 2 resulting in 2840
+ 1420 × 20 what gives us 28400
+ 1420 × 700 giving us 994000
+ 1420 × 4000 yielding 5680000

= 6705240
