No problem, we've got 6120 and 1004 to multiply
6120 × 1004 = 1004 × (6120)
+ 1004 × 0 that is equal 0
+ 1004 × 20 producing 20080
+ 1004 × 100 giving us 100400
+ 1004 × 6000 what gives us 6024000

= 6144480
