A glass bottle is filled with salt water. The mass of the salt is (1/11) of the water. After adding 15g of salt, the weight of the salt accounts for (1/9) of the weight of the salt water. What is the original water in the bottle?
一个玻璃瓶内装有盐水，盐的质量是水的(1/11)，加入15g盐后，盐的重量占盐水重量的(1/9)，瓶内原有水多少g．
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">(1/9) * 15</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">15 - (5/3)</gadget>
<output>40/3 = around 13.333333</output>

<gadget id="calculator">(1/9) * 11</gadget>
<output>11/9 = around 1.222222</output>

<gadget id="calculator">(11/9) - 1</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">(1/9) + (2/9)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(40/3) / (1/3)</gadget>
<output>40</output>

<gadget id="calculator">11 * 40</gadget>
<output>440</output>

<result>440</result>