A rectangle has an area of 22 square decimeters and a length of 5 decimeters, what is its perimeter?
一个长方形的面积是22平方分米，长是5分米，它的周长是多少分米？
<gadget id="calculator">22 / 5</gadget>
<output>22/5 = around 4.4</output>

<gadget id="calculator">5 + (22/5)</gadget>
<output>47/5 = around 9.4</output>

<gadget id="calculator">(47/5) * 2</gadget>
<output>94/5 = around 18.8</output>

<result>94/5 = around 18.8</result>