No problem, we've got 8900 and 8664 to multiply
8900 × 8664 = 8664 × (8900)
+ 8664 × 0 what gives us 0
+ 8664 × 00 that results in 0
+ 8664 × 900 yielding 7797600
+ 8664 × 8000 that equals 69312000

= 77109600
