Something

/ch { var %crimson = 4Crimson: $2 ( $+ $bytes($calc( $2 * 422.4 ),db) $+ )
  var %gold = 7Gold: $1 ( $+ $bytes($calc( $1 * 87 ),db) $+ )
  var %green = 3Green: $3 ( $+ $bytes($calc( $3 * 154.4 ),db) $+ )
  var %blue = 10Blue: $4 ( $+ $bytes($calc( $4 * 668.8 ),db) $+ )
  var %total = $bytes($calc( ( $1 * 87) + ( $2 * 422.4 ) + ( $4 * 668.8 ) + ( $3 * 154.4) ),db)
/say Charms: %gold %crimson %green %blue - %total overall exp. $5- }