问题: Every hour Joanne has to collect the coins out of the fountain inside the mall. During the first hour, she collected 15 coins. For the next two hours, she collected 35 coins from the fountain. In the fourth hour, she collected 50 coins from the fountain but she gave 15 of them to her coworker so she could buy a soda. How many coins did she have after the fourth hour?
期望答案: 120
实际结果: 85.0

Failure Cause：
对语义理解出错：第2-3小时共收集35枚硬币 vs 第2-3小时每小时收集35枚硬币

会话log：
{
  "__is_success": 1,
  "__reason": null,
  "step_array": [
    {
      "step": "计算第一小时的硬币数量",
      "desc": "确定第一小时收集的硬币数量：15枚。"
    },
    {
      "step": "计算第二和第三小时的硬币总数",
      "desc": "将第二小时和第三小时收集的硬币相加：35枚。"
    },
    {
      "step": "计算第四小时实际获得的硬币数量",
      "desc": "从第四小时收集的50枚硬币中减去给同事的15枚。"
    },
    {
      "step": "计算总硬币数量",
      "desc": "将所有小时收集到的硬币数量相加，得出第四小时结束时Joanne拥有的总硬币数。"
    }
  ]
}

完整响应:
{"event": "message", "task_id": "48619cd7-b0f4-4758-b068-067f6d635cc2", "id": "25229855-c1fb-4411-aeeb-45bdf7eab82f", "message_id": "25229855-c1fb-4411-aeeb-45bdf7eab82f", "conversation_id": "37004345-3c09-4a45-9cc9-3191aea9292e", "mode": "advanced-chat", "answer": "------\n## \u6700\u7ec8\u7ed3\u8bba\nThe final result is: 85", "metadata": {"annotation_reply": null, "retriever_resources": [], "usage": {"prompt_tokens": 1903, "prompt_unit_price": "2.5", "prompt_price_unit": "0.000001", "prompt_price": "0.0027224", "completion_tokens": 336, "completion_unit_price": "10", "completion_price_unit": "0.000001", "completion_price": "0.001809", "total_tokens": 2239, "total_price": "0.0045314", "currency": "USD", "latency": 6.84027879597852}}, "created_at": 1751784255}