How much is 7 (1/9).
7个(1/9)是多少．
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

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

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