No problem, we've got 9117 and 7989 to multiply
9117 × 7989 = 7989 × (9117)
+ 7989 × 7 yielding 55923
+ 7989 × 10 yielding 79890
+ 7989 × 100 giving us 798900
+ 7989 × 9000 that equals 71901000

= 72835713
