A rectangle is (7/5) meters long and (1/3) meters wide. What is its circumference in meters?
一个长方形长是(7/5)米，宽是(1/3)米．它的周长是多少米？
<gadget id="calculator">7 / 5</gadget>
<output>7/5 = around 1.4</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(7/5) + (1/3)</gadget>
<output>26/15 = around 1.733333</output>

<gadget id="calculator">(26/15) * 2</gadget>
<output>52/15 = around 3.466667</output>

<result>52/15 = around 3.466667</result>