No problem, we've got 3984 and 2570 to multiply
3984 × 2570 = 2570 × (3984)
+ 2570 × 4 what gives us 10280
+ 2570 × 80 giving us 205600
+ 2570 × 900 resulting in 2313000
+ 2570 × 3000 giving us 7710000

= 10238880
