Prepare an alcohol solution, the volume ratio of pure alcohol to water is 1:50, then how many ml of alcohol solution can be prepared with 800 ml of water.
调制一种酒精溶液，纯酒精与水的体积比是1：50，则800毫升水可以配制成的酒精溶液为多少毫升．
<gadget id="calculator">50 + 1</gadget>
<output>51</output>

<gadget id="calculator">51 / 50</gadget>
<output>51/50 = around 1.02</output>

<gadget id="calculator">800 * (51/50)</gadget>
<output>816</output>

<result>816</result>