No problem, we've got 1920 and 4940 to multiply
1920 × 4940 = 4940 × (1920)
+ 4940 × 0 that equals 0
+ 4940 × 20 which equals 98800
+ 4940 × 900 what gives us 4446000
+ 4940 × 1000 producing 4940000

= 9484800
