Remarrying and Number of Divorces

Q: A man divorced his wife once and then separated from her. After 3 years the couple remarried, but in the interim this woman had been married to another person and got divorced from him. When she comes back to the first husband, does he have two talaaq left or are the three talaaq reinstated?

A: In this case the first husband has two talaaq left. The interim marriage had no effect on the number of talaaq.