Template:Variable line demo
From MozillaWiki
With a speed of {{{2}}} m{{{{{1}}}|etre}}/s{{{{{1}}}|econd}} a distance of {{{3}}} m{{{{{1}}}1|etres}} is covered in {{{4}}} s{{{{{1}}}1|econds}} because {{{3}}} / {{{2}}} = {{{4}}}.