Write a program that reads several descriptions of rectangles and circles, and for each one prints its corresponding area.

Input

Input begins with a number n, followed by n descriptions. If of a rectangle, we have the word “rectangle” followed by two strictly positive real numbers: its length and its width. If of a circle, we have the word “circle” followed by a strictly positive real number: its radius.

Output

For each description, print its area with 6 digits after the decimal point.

Public test cases

**Input**

2 rectangle 10 2.5 circle 100

**Output**

25.000000 31415.926536

Information

- Author
- Salvador Roura
- Language
- English
- Translator
- Salvador Roura
- Original language
- Catalan
- Other languages
- Catalan
- Official solutions
- C++ Java Pascal Python
- User solutions
- C C++ Java Python Rust