No problem, we've got 6511 and 1931 to multiply
6511 × 1931 = 1931 × (6511)
+ 1931 × 1 giving us 1931
+ 1931 × 10 which equals 19310
+ 1931 × 500 that equals 965500
+ 1931 × 6000 producing 11586000

= 12572741
