No problem, we've got 8183 and 8147 to multiply
8183 × 8147 = 8147 × (8183)
+ 8147 × 3 giving us 24441
+ 8147 × 80 yielding 651760
+ 8147 × 100 that is equal 814700
+ 8147 × 8000 producing 65176000

= 66666901
