There is a bottle of solution with a sugar content of 30%. After adding a certain amount of water, it becomes 24%. When the same amount of water is added, what will the concentration be?
有一瓶溶液，含糖率为30%，加了一定量的水后，变成了24%，在加同样多的水，浓度将变为多少？
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">100 * (3/10)</gadget>
<output>30</output>

<gadget id="calculator">24 / 100</gadget>
<output>6/25 = around 0.24</output>

<gadget id="calculator">100 * (6/25)</gadget>
<output>24</output>

<gadget id="calculator">30 - 24</gadget>
<output>6</output>

<gadget id="calculator">6 / (6/25)</gadget>
<output>25</output>

<gadget id="calculator">100 + 25 + 25</gadget>
<output>150</output>

<gadget id="calculator">(3/10) / 150</gadget>
<output>1/500 = around 0.002</output>

<gadget id="calculator">100 * (1/500)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">(1/5) * 1</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>