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This is a deceptively difficult question, as a "month" or a "year" may have varying numbers of days in them.

For our purposes, we'll say that:

1 year = 365.25 days (approximating the extra day for leap years)

1 month = 1 year / 12 months per year = 365.25 / 12 = 30.4375 days per month

So, now we can do some actual calculation:

(7 months * 30.4375 days per month) + 4 days + (10 months * 30.4375 days per month) + 28 days + (3 years * 365.25 days per year) + (4 months * 30.4375 days per month) + 9 days =

(213.062 days) + 4 days + (304.375 days) + 28 days + (1095.75 days) + (121.75 days) + 9 days = 1775.9 days = 58.3458 months = 4.86215 years

= 4 years, 10 months, 10 days, 12 hours, 36 minutes

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Q: 7 months plus 4 days plus 10 months plus 28 days plus 3 years plus 4 months plus 9 days equals?
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