No problem, we've got 6839 and 1975 to multiply
6839 × 1975 = 1975 × (6839)
+ 1975 × 9 yielding 17775
+ 1975 × 30 yielding 59250
+ 1975 × 800 that is equal 1580000
+ 1975 × 6000 resulting in 11850000

= 13507025
