王叔叔有一只手表，他发现手表比家里的闹钟每小时快30秒，而闹钟比标准时间每小时快30秒。王叔叔的手表与标准时间一昼夜会相差多少秒？

（答案是不是相差0秒呢？不是的哦，两次参照的时间是不同的，第一次是与闹钟比，第二次是与标准时间比，也就是单位“1”不同。）

推荐阅读：
The Epidemic Of Hate Continues In Great Britain As Conservative 　 Russian Blogger Arrested for “Inciting Hatred” by Playing Pokemo　 4Sum – Find Unique Quadruplets that Sum to Target using O(　 The Subsequence Algorithm for Two Strings – How to Check i　 Using Greedy Algorithm to Fix the Broken Calculator　 Beginner’s Guide to the zip() function in Python3　 Passengers Pick-up and Drop-off Algorithms (Car Pooling) via Gre　 Maximize Sum Of Array After K Negations using Greedy Algorithm v　 The Variable Expansion Algorithm Using Regular Expression in Jav　 How to Compute the Number of Days in a Month?