No problem, we've got 3969 and 5191 to multiply
3969 × 5191 = 5191 × (3969)
+ 5191 × 9 which equals 46719
+ 5191 × 60 producing 311460
+ 5191 × 900 that is equal 4671900
+ 5191 × 3000 giving us 15573000

= 20603079
