The medicine powder and water are made into a liquid medicine at a ratio of 1:5, how many grams of water should be added to 5 grams of medicine powder.
药粉和水按1：5配成药水，5克药粉中应加水多少克．
<gadget id="calculator">5 * 5</gadget>
<output>25</output>

<result>25</result>