Formule
(( ROUND((CHAR_LENGTH(b.article_nom)-CHAR_LENGTH(REPLACE(b.article_nom, 'watering', '')))/LENGTH('watering')) + ROUND((CHAR_LENGTH(b.article_description)-CHAR_LENGTH(REPLACE(b.article_description, 'watering', '')))/LENGTH('watering')) ) * 5.8) + (( ROUND((CHAR_LENGTH(b.article_nom)-CHAR_LENGTH(REPLACE(b.article_nom, 'replacement', '')))/LENGTH('replacement')) + ROUND((CHAR_LENGTH(b.article_description)-CHAR_LENGTH(REPLACE(b.article_description, 'replacement', '')))/LENGTH('replacement')) ) * 5.1) + (( ROUND((CHAR_LENGTH(b.article_nom)-CHAR_LENGTH(REPLACE(b.article_nom, 'spout', '')))/LENGTH('spout')) + ROUND((CHAR_LENGTH(b.article_description)-CHAR_LENGTH(REPLACE(b.article_description, 'spout', '')))/LENGTH('spout')) ) * 4.5) + (( ROUND((CHAR_LENGTH(b.article_nom)-CHAR_LENGTH(REPLACE(b.article_nom, 'litre', '')))/LENGTH('litre')) + ROUND((CHAR_LENGTH(b.article_description)-CHAR_LENGTH(REPLACE(b.article_description, 'litre', '')))/LENGTH('litre')) ) * 3.5) + (( ROUND((CHAR_LENGTH(b.article_nom)-CHAR_LENGTH(REPLACE(b.article_nom, 'copper', '')))/LENGTH('copper')) + ROUND((CHAR_LENGTH(b.article_description)-CHAR_LENGTH(REPLACE(b.article_description, 'copper', '')))/LENGTH('copper')) ) * 2.6) + (( ROUND((CHAR_LENGTH(b.article_nom)-CHAR_LENGTH(REPLACE(b.article_nom, 'limescale', '')))/LENGTH('limescale')) + ROUND((CHAR_LENGTH(b.article_description)-CHAR_LENGTH(REPLACE(b.article_description, 'limescale', '')))/LENGTH('limescale')) ) * 1.9) + (( ROUND((CHAR_LENGTH(b.article_nom)-CHAR_LENGTH(REPLACE(b.article_nom, 'designed', '')))/LENGTH('designed')) + ROUND((CHAR_LENGTH(b.article_description)-CHAR_LENGTH(REPLACE(b.article_description, 'designed', '')))/LENGTH('designed')) ) * 1.8) + (( ROUND((CHAR_LENGTH(b.article_nom)-CHAR_LENGTH(REPLACE(b.article_nom, 'handmade', '')))/LENGTH('handmade')) + ROUND((CHAR_LENGTH(b.article_description)-CHAR_LENGTH(REPLACE(b.article_description, 'handmade', '')))/LENGTH('handmade')) ) * 1.8) + (( ROUND((CHAR_LENGTH(b.article_nom)-CHAR_LENGTH(REPLACE(b.article_nom, 'interior', '')))/LENGTH('interior')) + ROUND((CHAR_LENGTH(b.article_description)-CHAR_LENGTH(REPLACE(b.article_description, 'interior', '')))/LENGTH('interior')) ) * 1.8) + (( ROUND((CHAR_LENGTH(b.article_nom)-CHAR_LENGTH(REPLACE(b.article_nom, 'pleasure', '')))/LENGTH('pleasure')) + ROUND((CHAR_LENGTH(b.article_description)-CHAR_LENGTH(REPLACE(b.article_description, 'pleasure', '')))/LENGTH('pleasure')) ) * 1.8)