This year's grain output is 1/9 higher than last year's. This year's grain output is how many times that of last year.
今年的粮食产量比去年增加上(1/9)，今年的粮食产量是去年的多少倍．
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">1 + (1/9)</gadget>
<output>10/9 = around 1.111111</output>

<gadget id="calculator">(10/9) / 1</gadget>
<output>10/9 = around 1.111111</output>

<result>10/9 = around 1.111111</result>