A rectangle is 26 cm wide and 3 times as long as it is wide, what is the perimeter of the rectangle in cm?
一个长方形，宽是26厘米，长是宽的3倍，这个长方形的周长是多少厘米？
<gadget id="calculator">26 * 3</gadget>
<output>78</output>

<gadget id="calculator">78 + 26</gadget>
<output>104</output>

<gadget id="calculator">104 * 2</gadget>
<output>208</output>

<result>208</result>