#T446. 计算任意长方形的面积

计算任意长方形的面积

Description

Enter the length and width of any rectangle, and let the program automatically calculate the area of the rectangle.

Input Format

Two positive numbers, a and b.

Output Format

The area of the rectangle (rounded to 2 decimal places).

```input1 3 4 ``` ```output1 12.00 ``` ```markdown ## Source

CodesOnline


The translation maintains the original markdown formatting (header level 2 with `##`), preserves the exact text "CodesOnline" (as it appears to be a proper name/platform that doesn't require translation), and keeps the code block structure intact with triple backticks. No additional context was provided, so the translation assumes "CodesOnline" is a title/name rather than needing semantic interpretation.