No problem, we've got 7861 and 7823 to multiply
7861 × 7823 = 7823 × (7861)
+ 7823 × 1 what gives us 7823
+ 7823 × 60 producing 469380
+ 7823 × 800 what gives us 6258400
+ 7823 × 7000 yielding 54761000

= 61496603
