No problem, we've got 9839 and 8542 to multiply
9839 × 8542 = 8542 × (9839)
+ 8542 × 9 producing 76878
+ 8542 × 30 that equals 256260
+ 8542 × 800 yielding 6833600
+ 8542 × 9000 that equals 76878000

= 84044738
