The ratio of length to width of a rectangle is 6:5, and its length is 4 cm longer than its width. What is the perimeter of the rectangle?
长方形的长和宽的比是6：5，它的长比宽长4厘米，长方形的周长多少．
<gadget id="calculator">6 - 5</gadget>
<output>1</output>

<gadget id="calculator">4 / 1</gadget>
<output>4</output>

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

<gadget id="calculator">4 * 5</gadget>
<output>20</output>

<gadget id="calculator">24 + 20</gadget>
<output>44</output>

<gadget id="calculator">44 * 2</gadget>
<output>88</output>

<result>88</result>