Brass is an alloy of copper and zinc. The content of copper is 17/25. A piece of brass contains 16 kilograms of zinc. How much does this piece of brass weigh?
黄铜是铜和锌的合金，期中铜的含量占(17/25)，一块黄铜里含锌16千克，这块黄铜重多少千克？
<gadget id="calculator">17 / 25</gadget>
<output>17/25 = around 0.68</output>

<gadget id="calculator">1 - (17/25)</gadget>
<output>8/25 = around 0.32</output>

<gadget id="calculator">16 / (8/25)</gadget>
<output>50</output>

<result>50</result>