A kind of sugar water is prepared according to the ratio of sugar and water of 1:20. How many grams of sugar water can be mixed with 3 grams of sugar?
一种糖水是按糖与水的比为1：20配制成的，有3克糖可配多少克糖水．
<gadget id="calculator">1 + 20</gadget>
<output>21</output>

<gadget id="calculator">1 / 21</gadget>
<output>1/21 = around 0.047619</output>

<gadget id="calculator">3 / (1/21)</gadget>
<output>63</output>

<result>63</result>