Calculate Weeks in 6 Years: Now, let's calculate the number of weeks in 6 years.6 years ∗52 weeks/year =312 weeks
Calculate Weeks in 21 Year: Next, we need to calculate the number of weeks in the remaining 21 year.21 year ∗52 weeks/year =26 weeks
Total Weeks in 621 Years: Finally, we add the number of weeks in 6 years to the number of weeks in 21 year to get the total number of weeks in 621 years.312 weeks + 26 weeks = 338 weeks
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