No problem, we've got 4889 and 3159 to multiply
4889 × 3159 = 3159 × (4889)
+ 3159 × 9 giving us 28431
+ 3159 × 80 which equals 252720
+ 3159 × 800 which equals 2527200
+ 3159 × 4000 that is equal 12636000

= 15444351
