Suppose that Janice is $x$ years old now. Two years ago, Janice was $x - 2$ years old. In 12 years, Janice will be $x + 12$ years old. From the given information $x + 12 = 8(x - 2)$ and so $x + 12 = 8x - 16$ which gives $7x = 28$ and so $x = 4$.