No problem, we've got 3972 and 4785 to multiply
3972 × 4785 = 4785 × (3972)
+ 4785 × 2 what gives us 9570
+ 4785 × 70 producing 334950
+ 4785 × 900 yielding 4306500
+ 4785 × 3000 resulting in 14355000

= 19006020
