{{ $widthpx := .PixelXDimension }}
{{ $heightpx := .PixelYDimension }}
{{ $megapixels := 0 }}
{{ if and (gt $widthpx 0) (gt $heightpx 0) }}
  {{ $megapixels = div (mul $widthpx $heightpx) 1e6 }}
{{ end }}
{{ $formattedMegapixels := printf "%.0f MP" $megapixels }}
{{ return $formattedMegapixels }}