Please extract your father's, mother's, grandfather's, grandmother's or grandfather's, grandmother's ID number, and tell me what information you learn from it.

Dad's ID card is 340102 1965120 30412, and the digits of 7- 10 are 1965, which means he was born in1965.

20 13- 1965=48 years old;

Dad's age is 48.

Mom's ID card is 34010219680715016, and the 7- 10 is 197 1, which means.

2013-1971= 42 years old;

My mother is 42 years old this year.

Grandpa's ID card is 340102 194002212/kloc-0, and the number of 7- 10 is1940, which means he was born in/kloc.

20 13- 1940=73 years old;

Grandpa is 73 years old this year.

Grandma's ID card is 340102 194211053221,and the 7- 10 is 1942, which means she was born in/kloc.

2013-1942 = 71(years old);

Grandma's age is 7 1 year.