No problem, we've got 8685 and 8560 to multiply
8685 × 8560 = 8560 × (8685)
+ 8560 × 5 which equals 42800
+ 8560 × 80 what gives us 684800
+ 8560 × 600 that results in 5136000
+ 8560 × 8000 what gives us 68480000

= 74343600
