No problem, we've got 8310 and 9991 to multiply
8310 × 9991 = 9991 × (8310)
+ 9991 × 0 giving us 0
+ 9991 × 10 giving us 99910
+ 9991 × 300 that results in 2997300
+ 9991 × 8000 yielding 79928000

= 83025210
