>ppm install http://theoryx5.uwinnipeg.ca/ppms/Math-GMP.ppd
Downloading Math-GMP-2.04...done
Unpacking Math-GMP-2.04...done
Generating HTML for Math-GMP-2.04...done
Updating files in site area...done
   5 files installed

>perl -le"use Math::GMP; print Math::GMP->VERSION"
2.04