No problem, we've got 1578 and 3128 to multiply
1578 × 3128 = 3128 × (1578)
+ 3128 × 8 resulting in 25024
+ 3128 × 70 which equals 218960
+ 3128 × 500 that equals 1564000
+ 3128 × 1000 that is equal 3128000

= 4935984
