No problem, we've got 6826371 and 2006399 to multiply
6826371 × 2006399 = 2006399 × (6826371)
+ 2006399 × 1 that equals 2006399
+ 2006399 × 70 yielding 140447930
+ 2006399 × 300 that equals 601919700
+ 2006399 × 6000 which equals 12038394000
+ 2006399 × 20000 that equals 40127980000
+ 2006399 × 800000 which equals 1605119200000
+ 2006399 × 6000000 that equals 12038394000000

= 13696423948029
