Langostino & Andouille Sausage Gumbo

I’ve been passing up this bag of langostino tails at Trader Joe’s for weeks now trying to figure out what to do with them…salad? grilled?  Oooooh, I know…GUMBO (in the cart they went)!!!  If you can’t find any langostino, then just substitute shrimp or crawfish or a...