No problem, we've got 2340 and 3929 to multiply
2340 × 3929 = 3929 × (2340)
+ 3929 × 0 what gives us 0
+ 3929 × 40 which equals 157160
+ 3929 × 300 giving us 1178700
+ 3929 × 2000 giving us 7858000

= 9193860
