Formule
(( ROUND((CHAR_LENGTH(b.article_nom)-CHAR_LENGTH(REPLACE(b.article_nom, 'hosta', '')))/LENGTH('hosta')) + ROUND((CHAR_LENGTH(b.article_description)-CHAR_LENGTH(REPLACE(b.article_description, 'hosta', '')))/LENGTH('hosta')) ) * 4.5) + (( ROUND((CHAR_LENGTH(b.article_nom)-CHAR_LENGTH(REPLACE(b.article_nom, 'about', '')))/LENGTH('about')) + ROUND((CHAR_LENGTH(b.article_description)-CHAR_LENGTH(REPLACE(b.article_description, 'about', '')))/LENGTH('about')) ) * 3.5) + (( ROUND((CHAR_LENGTH(b.article_nom)-CHAR_LENGTH(REPLACE(b.article_nom, 'hybridization', '')))/LENGTH('hybridization')) + ROUND((CHAR_LENGTH(b.article_description)-CHAR_LENGTH(REPLACE(b.article_description, 'hybridization', '')))/LENGTH('hybridization')) ) * 2.3) + (( ROUND((CHAR_LENGTH(b.article_nom)-CHAR_LENGTH(REPLACE(b.article_nom, 'pycnophylla', '')))/LENGTH('pycnophylla')) + ROUND((CHAR_LENGTH(b.article_description)-CHAR_LENGTH(REPLACE(b.article_description, 'pycnophylla', '')))/LENGTH('pycnophylla')) ) * 2.1) + (( ROUND((CHAR_LENGTH(b.article_nom)-CHAR_LENGTH(REPLACE(b.article_nom, 'corrugated', '')))/LENGTH('corrugated')) + ROUND((CHAR_LENGTH(b.article_description)-CHAR_LENGTH(REPLACE(b.article_description, 'corrugated', '')))/LENGTH('corrugated')) ) * 2) + (( ROUND((CHAR_LENGTH(b.article_nom)-CHAR_LENGTH(REPLACE(b.article_nom, 'dimensions', '')))/LENGTH('dimensions')) + ROUND((CHAR_LENGTH(b.article_description)-CHAR_LENGTH(REPLACE(b.article_description, 'dimensions', '')))/LENGTH('dimensions')) ) * 2) + (( ROUND((CHAR_LENGTH(b.article_nom)-CHAR_LENGTH(REPLACE(b.article_nom, 'delivered', '')))/LENGTH('delivered')) + ROUND((CHAR_LENGTH(b.article_description)-CHAR_LENGTH(REPLACE(b.article_description, 'delivered', '')))/LENGTH('delivered')) ) * 1.9) + (( ROUND((CHAR_LENGTH(b.article_nom)-CHAR_LENGTH(REPLACE(b.article_nom, 'lavender', '')))/LENGTH('lavender')) + ROUND((CHAR_LENGTH(b.article_description)-CHAR_LENGTH(REPLACE(b.article_description, 'lavender', '')))/LENGTH('lavender')) ) * 1.8) + (( ROUND((CHAR_LENGTH(b.article_nom)-CHAR_LENGTH(REPLACE(b.article_nom, 'flowers', '')))/LENGTH('flowers')) + ROUND((CHAR_LENGTH(b.article_description)-CHAR_LENGTH(REPLACE(b.article_description, 'flowers', '')))/LENGTH('flowers')) ) * 1.7) + (( ROUND((CHAR_LENGTH(b.article_nom)-CHAR_LENGTH(REPLACE(b.article_nom, 'plastic', '')))/LENGTH('plastic')) + ROUND((CHAR_LENGTH(b.article_description)-CHAR_LENGTH(REPLACE(b.article_description, 'plastic', '')))/LENGTH('plastic')) ) * 1.7)