The length of a rectangular table top is 8 meters, and the length is twice the width. What is the area of this rectangular table top in square meters?
一个长方形桌面的长是8米，长是宽的2倍，这个长方形桌面的面积是多少平方米？
<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">8 * 4</gadget>
<output>32</output>

<result>32</result>