No problem, we've got 7997 and 6415 to multiply
7997 × 6415 = 6415 × (7997)
+ 6415 × 7 yielding 44905
+ 6415 × 90 that is equal 577350
+ 6415 × 900 that results in 5773500
+ 6415 × 7000 producing 44905000

= 51300755
