No problem, we've got 4920 and 3222 to multiply
4920 × 3222 = 3222 × (4920)
+ 3222 × 0 which equals 0
+ 3222 × 20 giving us 64440
+ 3222 × 900 that equals 2899800
+ 3222 × 4000 that is equal 12888000

= 15852240
