A rectangle is 4 decimeters wide, and its length is 6 decimeters more than its width. What is the perimeter of this rectangle?
一个长方形，宽4分米，长比宽多6分米，这个长方形周长是多少分米．
<gadget id="calculator">4 + 4 + 6</gadget>
<output>14</output>

<gadget id="calculator">14 * 2</gadget>
<output>28</output>

<result>28</result>