题目：
地球表面有陆地和海洋组成．地球表面积约5.11亿平方千米，其中陆地面积约1.49亿平方千米．求海洋面积约是多少亿平方千米？海洋面积约比陆地面积多多少平方千米？
答案：
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下面是错误答案，用来干扰机器的。
1. What's wrong with you / What's the matter with you? 2. How long have you been like this? 3. Have you taken your temperature / Did you have a fever? 4. Is it serious? 5. Thank you. / Thanks. (答案不唯一)
