Calculate the area of rectangle from the depth and width using the formula.
Enter the depth a and the width b and when you click on the button "Calculate the area of rectangle", the area of rectangle is calculated from the depth and the width.
![Area of rectangle](/img/area_en/rectangle.png)
![Formula for area of rectangle](/img/area_en/rectangle1.jpg)
The area of the rectangle whose depth a is 2, width b is 3
Area S: 6