No problem, we've got 9888 and 8580 to multiply
9888 × 8580 = 8580 × (9888)
+ 8580 × 8 that equals 68640
+ 8580 × 80 producing 686400
+ 8580 × 800 that equals 6864000
+ 8580 × 9000 which equals 77220000

= 84839040
