The original salt water, the ratio of salt to water is 1:8, if 12 kg of water is added, the weight of the new salt water is 48 kg. How many kilograms of water are there in the brine now?
原有一种盐水，盐与水的比是1：8，若再放入12千克水，则新盐水重48千克．现在盐水共有多少千克水？
<gadget id="calculator">48 - 12</gadget>
<output>36</output>

<gadget id="calculator">1 + 8</gadget>
<output>9</output>

<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">36 * (1/9)</gadget>
<output>4</output>

<gadget id="calculator">48 - 4</gadget>
<output>44</output>

<result>44</result>