The quotient of 2 divided by (4/7) minus the reciprocal of 4, and the difference obtained is multiplied by (28/9). What is the result?
2除(4/7)的商减去4的倒数，所得的差再乘(28/9)，结果是多少？
<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">(4/7) / 2</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(2/7) - (1/4)</gadget>
<output>1/28 = around 0.035714</output>

<gadget id="calculator">28 / 9</gadget>
<output>28/9 = around 3.111111</output>

<gadget id="calculator">(1/28) * (28/9)</gadget>
<output>1/9 = around 0.111111</output>

<result>1/9 = around 0.111111</result>