A cup of sugar water, sugar accounts for 10% of the sugar water, and after adding 10g of sugar, the sugar accounts for (2/11), how many grams of sugar water are there?
一杯糖水，糖占糖水的10%，再加入10g糖后，糖占糖水的(2/11)，原来有多少克糖水．
<gadget id="calculator">2 / 11</gadget>
<output>2/11 = around 0.181818</output>

<gadget id="calculator">10 * (2/11)</gadget>
<output>20/11 = around 1.818182</output>

<gadget id="calculator">10 - (20/11)</gadget>
<output>90/11 = around 8.181818</output>

<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">(2/11) - (1/10) - 1</gadget>
<output>-101/110 = around -0.918182</output>

<gadget id="calculator">1 + (-101/110)</gadget>
<output>9/110 = around 0.081818</output>

<gadget id="calculator">(90/11) / (9/110)</gadget>
<output>100</output>

<result>100</result>