No problem, we've got 4479 and 3944 to multiply
4479 × 3944 = 3944 × (4479)
+ 3944 × 9 resulting in 35496
+ 3944 × 70 what gives us 276080
+ 3944 × 400 what gives us 1577600
+ 3944 × 4000 what gives us 15776000

= 17665176
