No problem, we've got 3291 and 3130 to multiply
3291 × 3130 = 3130 × (3291)
+ 3130 × 1 that is equal 3130
+ 3130 × 90 that equals 281700
+ 3130 × 200 what gives us 626000
+ 3130 × 3000 what gives us 9390000

= 10300830
