No problem, we've got 8580 and 9906 to multiply
8580 × 9906 = 9906 × (8580)
+ 9906 × 0 yielding 0
+ 9906 × 80 yielding 792480
+ 9906 × 500 yielding 4953000
+ 9906 × 8000 giving us 79248000

= 84993480
