No problem, we've got 9615 and 8064 to multiply
9615 × 8064 = 8064 × (9615)
+ 8064 × 5 yielding 40320
+ 8064 × 10 what gives us 80640
+ 8064 × 600 resulting in 4838400
+ 8064 × 9000 that equals 72576000

= 77535360
