The master and the apprentice weave a carpet. The apprentice weaves (4/9) meters, which is (2/9) meters less than the master. How many meters did the master and apprentice weave together?
师徒两人编织地毯，徒弟编织了(4/9)米，比师傅少编织了(2/9)米，师徒两人一共编织了多少米？
<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">(4/9) - (2/9)</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">(2/9) + (4/9)</gadget>
<output>2/3 = around 0.666667</output>

<result>2/3 = around 0.666667</result>