No problem, we've got 9915 and 8067 to multiply
9915 × 8067 = 8067 × (9915)
+ 8067 × 5 giving us 40335
+ 8067 × 10 yielding 80670
+ 8067 × 900 that is equal 7260300
+ 8067 × 9000 which equals 72603000

= 79984305
