#T649. 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 `##`) and preserves the text "CodesOnline" as is, since it appears to be a proper name or brand term that does not require translation. The structure is kept identical to the source.