A medicine is prepared in the laboratory, which is a mixture of powder and water at a ratio of 1:100. To prepare 2525 kilograms of medicine, how many kilograms of medicine powder are needed? (Solve with ratio)
实验室配置一种药水，是药粉和水按1：100配置的，要配置2525千克药水，需要药粉多少千克？(用比例解)
<gadget id="calculator">100 + 1</gadget>
<output>101</output>

<gadget id="calculator">2_525 / 101</gadget>
<output>25</output>

<result>25</result>