There is a kind of orange juice that is prepared by the mass ratio of fruit and water in a ratio of 1:25. How many milliliters of water is in a bottle of 520 milliliters of orange juice?
有一种橙汁是由果珍和水按1：25的质量比配制而成的．一瓶520毫升橙汁中，含水多少毫升？
<gadget id="calculator">1 + 25</gadget>
<output>26</output>

<gadget id="calculator">25 / 26</gadget>
<output>25/26 = around 0.961538</output>

<gadget id="calculator">520 * (25/26)</gadget>
<output>500</output>

<result>500</result>