No problem, we've got 4945 and 3928 to multiply
4945 × 3928 = 3928 × (4945)
+ 3928 × 5 that results in 19640
+ 3928 × 40 giving us 157120
+ 3928 × 900 giving us 3535200
+ 3928 × 4000 that is equal 15712000

= 19423960
