A kind of sugar water, the ratio of sugar to water is 1:5, how many grams of white sugar is needed to make 250 grams of this sugar water.
一种糖水，糖与水的比是1：5，要制作250克这样的糖水，需要白糖多少克．
<gadget id="calculator">1 + 5</gadget>
<output>6</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">250 * (1/6)</gadget>
<output>125/3 = around 41.666667</output>

<result>125/3 = around 41.666667</result>