Question
Shiyun had some biscuits. She sold 23 of the biscuits. She ate 13 of the remainder and an additional 8 more. She had 36 biscuits left in the end. How many biscuits did Shiyun have at first?
4 m

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Shiyun had some biscuits. She sold 23 of the biscuits. She ate 13 of the remainder and an additional 8 more. She had 36 biscuits left in the end. How many biscuits did Shiyun have at first?