No problem, we've got 1299 and 6511 to multiply
1299 × 6511 = 6511 × (1299)
+ 6511 × 9 that is equal 58599
+ 6511 × 90 that is equal 585990
+ 6511 × 200 that is equal 1302200
+ 6511 × 1000 that is equal 6511000

= 8457789
