The ratio of sugar to water is 1:12, now we need to prepare 260 grams of sugar water, how many grams of sugar is needed?
糖与水的比是1：12，现在要配置糖水260克，需糖多少克？
<gadget id="calculator">1 + 12</gadget>
<output>13</output>

<gadget id="calculator">1 / 13</gadget>
<output>1/13 = around 0.076923</output>

<gadget id="calculator">260 * (1/13)</gadget>
<output>20</output>

<result>20</result>