No problem, we've got 1578 and 2472 to multiply
1578 × 2472 = 2472 × (1578)
+ 2472 × 8 what gives us 19776
+ 2472 × 70 resulting in 173040
+ 2472 × 500 what gives us 1236000
+ 2472 × 1000 that equals 2472000

= 3900816
