No problem, we've got 3991 and 3311 to multiply
3991 × 3311 = 3311 × (3991)
+ 3311 × 1 that results in 3311
+ 3311 × 90 that results in 297990
+ 3311 × 900 what gives us 2979900
+ 3311 × 3000 that equals 9933000

= 13214201
