asp如何做出计算工器

要求:
1,第一个框输入名字
2,第二个框出结果
3,条件:
<%
zcn=Request.ServerVariables("SERVER_NAME")&JyDownH
zj=Request.ServerVariables("SERVER_NAME")

zj=left(replace(zj,"www.",""),6)
zj=replace(zj,"0","a")
zj=replace(zj,"1","b")
zj=replace(zj,"2","c")
zj=replace(zj,"3","d")
zj=replace(zj,"4","e")
zj=replace(zj,"5","f")
zj=replace(zj,"6","g")
zj=replace(zj,"7","h")
zj=replace(zj,"8","i")
zj=replace(zj,"9","j")
zj=replace(zj,"a","40")
zj=replace(zj,"b","41")
zj=replace(zj,"c","52")
zj=replace(zj,"d","53")
zj=replace(zj,"e","64")
zj=replace(zj,"f&q