No problem, we've got 9867 and 9920 to multiply
9867 × 9920 = 9920 × (9867)
+ 9920 × 7 yielding 69440
+ 9920 × 60 that equals 595200
+ 9920 × 800 that equals 7936000
+ 9920 × 9000 that results in 89280000

= 97880640
