A rectangle is 6 cm long and 2 cm longer than its width. What is the area of this rectangle?
一个长方形，长6厘米，长比宽多2厘米，这个长方形的面积是多少平方厘米？
<gadget id="calculator">6 - 2</gadget>
<output>4</output>

<gadget id="calculator">4 * 6</gadget>
<output>24</output>

<result>24</result>