No problem, we've got 1581 and 6844 to multiply
1581 × 6844 = 6844 × (1581)
+ 6844 × 1 that is equal 6844
+ 6844 × 80 that is equal 547520
+ 6844 × 500 producing 3422000
+ 6844 × 1000 that is equal 6844000

= 10820364
