No problem, we've got 8418 and 166 to multiply
8418 × 166 = 166 × (8418)
+ 166 × 8 which equals 1328
+ 166 × 10 what gives us 1660
+ 166 × 400 giving us 66400
+ 166 × 8000 that equals 1328000

= 1397388
