No problem, we've got 4271 and 3921 to multiply
4271 × 3921 = 3921 × (4271)
+ 3921 × 1 that results in 3921
+ 3921 × 70 that results in 274470
+ 3921 × 200 that equals 784200
+ 3921 × 4000 what gives us 15684000

= 16746591
