{{- $from := .Get "from" -}}
{{- $to := .Get "to" | default "CNY" -}}
{{- $value := .Get "value" | float -}}
{{- $qs := querify "Amount" $value "From" $from "To" $to -}}
<a class="currency" href="https://www.xe.com/currencyconverter/convert/?{{ $qs | safeURL }}">
  {{- $units := slice "" "k" "M" -}}
  {{- $unit := div (math.Log $value) (math.Log 1000) | math.Floor | int -}}
  {{- $base := math.Pow 1000 $unit -}}
  {{- div $value $base }}{{ index $units $unit }} {{ $from -}}
</a>