12hr*23day=276hr(等於天天加班4小時，時薪領的和平時一樣)
8hr*22day=176hr(有周休2日)

276hr-176hr=100hr(這加班時薪正常因該是要加%的)
100hr/8hr=12.5day(超時換算成天數)

22+12.5=34.5day

34.5day v.s 22day
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