(8/9)-(7/9)+(6/9)*(5/9)/(4/9)/(3/9)*(2/9)+(1/9).
(8/9)-(7/9)+(6/9)*(5/9)/(4/9)/(3/9)*(2/9)+(1/9)．
<gadget id="calculator">8 / 9</gadget>
<output>8/9 = around 0.888889</output>

<gadget id="calculator">7 / 9</gadget>
<output>7/9 = around 0.777778</output>

<gadget id="calculator">(8/9) - (7/9)</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">6 / 9</gadget>
<output>2/3 = around 0.666667</output>

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

<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">3 / 9</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(5/9) / (4/9) / (1/3)</gadget>
<output>15/4 = around 3.75</output>

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

<gadget id="calculator">(2/3) * (15/4) * (2/9)</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">(1/9) + (5/9) + (1/9)</gadget>
<output>7/9 = around 0.777778</output>

<result>7/9 = around 0.777778</result>