The length of one rope is (7/9) meters, which is (5/9) meters longer than the other rope, how many meters are the two ropes in total?
一根绳子的长度是(7/9)米，比另一根绳子长(5/9)米，两根绳子一共多少米？
<gadget id="calculator">7 / 9</gadget>
<output>7/9 = around 0.777778</output>

<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">(7/9) - (5/9)</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">(2/9) + (7/9)</gadget>
<output>1</output>

<result>1</result>