A cup of salt water is 200 grams, and the ratio of salt to water is 1:24. Now to dilute this glass of salt water so that the ratio of salt to water is 1:29, how many grams of water should be added?
一杯盐水200克，其中盐与水的比是1：24．现在要把这杯盐水变淡，使得盐与水的比为1：29，需加水多少克？
<gadget id="calculator">1 + 24</gadget>
<output>25</output>

<gadget id="calculator">1 / 25</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">200 * (1/25)</gadget>
<output>8</output>

<gadget id="calculator">1 / 29</gadget>
<output>1/29 = around 0.034483</output>

<gadget id="calculator">200 - 8</gadget>
<output>192</output>

<gadget id="calculator">(1/29) * 192</gadget>
<output>192/29 = around 6.62069</output>

<gadget id="calculator">8 - (192/29)</gadget>
<output>40/29 = around 1.37931</output>

<gadget id="calculator">(40/29) / (1/29)</gadget>
<output>40</output>

<result>40</result>