Append to data

[3Dylan3]

I have a field that is a store number.......12345   I need to add sa-s to the beginning and iPad@domaindotcom   to the end.   sa-s12345ipad@domaindotcom     How can I accomplish this?  Thanks in advance.

[#2]

If your store number is in cell A1, then:
="sa-s"&A1&"iPad@domaindotcom"