Something

alias hp {
  if ($1 == -s) {
    say You have $+($2,/,99) hp left: $hpreturn($2)
  }
  else echo -a You have $+($1,/,99) hp left: $hpreturn($1)
}
alias hpreturn {
  var %hp = $calc($1 / 5)
  return 3,3 $+ $+($str(.,%hp)) $+ 4,4 $+ $+($str(.,$calc(19.8 - %hp)))
}