No problem, we've got 4078 and 2070 to multiply
4078 × 2070 = 2070 × (4078)
+ 2070 × 8 that equals 16560
+ 2070 × 70 giving us 144900
+ 2070 × 000 which equals 0
+ 2070 × 4000 producing 8280000

= 8441460
