No problem, we've got 1670 and 5678 to multiply
1670 × 5678 = 5678 × (1670)
+ 5678 × 0 giving us 0
+ 5678 × 70 which equals 397460
+ 5678 × 600 that is equal 3406800
+ 5678 × 1000 what gives us 5678000

= 9482260
