Percentage in XSL

Hi,

I am trying percentage in xsl document, the divide and multiply operator in
xsl is: divide = ( / ) and multiply = ( * ) ?

My code:

<xsl:variable name="var_Soma_trabalho_em_eventos"
select="count(PRODUCAO-BIBLIOGRAFICA/TRABALHOS-EM-EVENTOS/TRABALHO-EM-EVENTO
S/@*)"/>

<xsl:variable name="var_Individual"
select="count(PRODUCAO-BIBLIOGRAFICA/TRABALHOS-EM-EVENTOS/TRABALHO-EM-EVENTO
S[(count(AUTORES/@ORDEM-DE-AUTORIA)) = 1])"/>

Here account a percentage, my question is: The account below is correct?

<xsl:variable name="Percentual_Prod_Individual"
select="number($var_Individual) / number($var_Soma_trabalho_em_eventos) *
100"/>

Anyone can I help me ?

Thanks
Eder



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