No problem, we've got 6413 and 7893 to multiply
6413 × 7893 = 7893 × (6413)
+ 7893 × 3 that is equal 23679
+ 7893 × 10 that equals 78930
+ 7893 × 400 resulting in 3157200
+ 7893 × 6000 that equals 47358000

= 50617809
