No problem, we've got 3671 and 4165 to multiply
3671 × 4165 = 4165 × (3671)
+ 4165 × 1 yielding 4165
+ 4165 × 70 producing 291550
+ 4165 × 600 which equals 2499000
+ 4165 × 3000 that results in 12495000

= 15289715
