If (2/(x))=(3/4) then 3x+9=how much.
如果(2/(x))=(3/4)那么3x+9=多少．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">2 / (3/4)</gadget>
<output>8/3 = around 2.666667</output>

<gadget id="calculator">3 * (8/3)</gadget>
<output>8</output>

<gadget id="calculator">8 + 9</gadget>
<output>17</output>

<result>17</result>