Random Riddle: 8-5-2013

Mice are famous for their ability to multiply at breakneck speeds. You pick up a baby mouse from the pet store the day after it was born. The type of mouse you bought gives birth once a month, birthing 12 babies each time. Baby mice mature and can give birth two months after they are born. 12 months after it is born, the mouse will die.

In 10 months from now, how many mice will you have?
 

Riddle