No problem, we've got 8171 and 9879 to multiply
8171 × 9879 = 9879 × (8171)
+ 9879 × 1 yielding 9879
+ 9879 × 70 giving us 691530
+ 9879 × 100 giving us 987900
+ 9879 × 8000 that equals 79032000

= 80721309
