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Or one batch of bananas, weighing 0.4 pounds. The number of bananas is not specified in the receipt, and I would not expect the model to estimate it.

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The prompt literally tells it "if not specified assume 1"

it is very unlikely for 0.4 lbs of bananas to be more than one.

https://fdc.nal.usda.gov/food-details/1105314/measures

Sugar bananas or apple bananas would weigh less, but would cost more and probably not just be listed as bananas.

That would require the model to know or look up the average weight of a banana, and do arithmetic.

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