No problem, we've got 9666 and 5120 to multiply
9666 × 5120 = 5120 × (9666)
+ 5120 × 6 what gives us 30720
+ 5120 × 60 what gives us 307200
+ 5120 × 600 what gives us 3072000
+ 5120 × 9000 which equals 46080000

= 49489920
