182. Quarrelsome Children. A man married a widow, and each of them had children from their previous marriages. After 10 years, a battle broke out in which all the children (by then there were 12) participated. The mother ran to the father, shouting:

- Come quickly. Your children and my children are beating our children!

Each now had 9 children of their own.

How many children were born in these 10 years?
182. Each of the parents had 3 children from their first marriage, and 6 children were born from their second marriage.