No problem, we've got 3971 and 3243 to multiply
3971 × 3243 = 3243 × (3971)
+ 3243 × 1 which equals 3243
+ 3243 × 70 that is equal 227010
+ 3243 × 900 what gives us 2918700
+ 3243 × 3000 what gives us 9729000

= 12877953
