Jeho druhá žena, Emily, je o 30 let mladší a se svou nevlastní dcerou velmi přísně řídí domácnost.

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Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
His second wife, Emily, is 30 years his junior... and with her unmarried stepdaughter she runs the household very strictly.