Multiplication de 729 et 3, procédé standard, base 10

 729
   3
2187

Multiplication de 628 et 234, procédé "par jalousie" (A), base 10

  6 2 8 
 |
 |
 |
 |
 |
 |

  6 2 8 
 |      |
 |      |
 |      |
 |      |
 |      |
 |      |

  6 2 8 
 | / / /|
 |/ / / |2
 | / / /|
 |/ / / |3
 | / / /|
 |/ / / |4

  6 2 8 
 |1/0/1/|
 |/2/4/6|2
 |1/0/2/|
 |/8/6/4|3
 |2/0/3/|
 |/4/8/2|4