Calories in fresh green beans cooked w/ bacon

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I bought some fresh green beans at our local farmer's market yesterday and I'm cooking them in a pot with water and four pieces of bacon for flavoring. Does anyone know the calorie count for green beans cooked like this? I won't eat the bacon, it just flavors the beans very nicely. So, how do I know the calorie count? I'm stuck, someone please help me:flowerforyou: