When Xiaohong calculates a number divided by (4/9), it becomes a number multiplied by (4/9), and the result obtained is 6.5 less than the correct result. What is the correct result?
小红在计算一个数除以(4/9)时，算成了一个数乘(4/9)，得到的结果比正确结果少6.5，正确结果是多少．
<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">1 / (4/9)</gadget>
<output>9/4 = around 2.25</output>

<gadget id="calculator">(9/4) - (4/9)</gadget>
<output>65/36 = around 1.805556</output>

<gadget id="calculator">6.5 / (65/36) / (4/9)</gadget>
<output>8.1</output>

<result>8.1</result>