What is the difference between (3/4) minus 14 divided by (7/9) of the number 48?
数48的(3/4)减去14除以(7/9)的商，差是多少？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">48 * (3/4)</gadget>
<output>36</output>

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

<gadget id="calculator">14 / (7/9)</gadget>
<output>18</output>

<gadget id="calculator">36 - 18</gadget>
<output>18</output>

<result>18</result>