No problem, we've got 6721 and 2506 to multiply
6721 × 2506 = 2506 × (6721)
+ 2506 × 1 that results in 2506
+ 2506 × 20 that equals 50120
+ 2506 × 700 that equals 1754200
+ 2506 × 6000 resulting in 15036000

= 16842826
