No problem, we've got 3681 and 7869 to multiply
3681 × 7869 = 7869 × (3681)
+ 7869 × 1 giving us 7869
+ 7869 × 80 that is equal 629520
+ 7869 × 600 producing 4721400
+ 7869 × 3000 giving us 23607000

= 28965789
