The perimeter of a rectangle is 14 meters, and the length is 3 meters more than the width. What is the area of the rectangle?
一个长方形的周长是14米，长比宽多3米，这个长方形的面积是多少平方米．
<gadget id="calculator">14 / 2</gadget>
<output>7</output>

<gadget id="calculator">7 - 3</gadget>
<output>4</output>

<gadget id="calculator">4 / 2</gadget>
<output>2</output>

<gadget id="calculator">2 + 3</gadget>
<output>5</output>

<gadget id="calculator">5 * 2</gadget>
<output>10</output>

<result>10</result>