No problem, we've got 5185 and 8205 to multiply
5185 × 8205 = 8205 × (5185)
+ 8205 × 5 producing 41025
+ 8205 × 80 producing 656400
+ 8205 × 100 which equals 820500
+ 8205 × 5000 that is equal 41025000

= 42542925
