You first have to calculate the total mass of apples he had on the shelves, so you add the three kinds of apples: 23 kg + 37 kg + 14 kg = <<23+37+14=74>>74kg

Since he sold 36 kg of apples, he still has: 74 kg – 36 kg = <<74-36=38>>38kg

# Answer

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<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Ali has a store that sells fruits and vegetables. He puts 23 kg of kidney apples, 37 kg of golden apples and 14 kg of Canada apples on the shelves. By noon, 36 kg of apples were sold. What is the mass of apples that he has left?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
38
Ali has a store that sells fruits and vegetables. He puts 23 kg of kidney apples, 37 kg of golden apples and 14 kg of Canada apples on the shelves. By noon, 36 kg of apples were sold. What is the mass of apples that he has left?
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