There is 30.3 kilograms of liquid medicine, and the ratio of medicine powder to water is 1:100, then how many kilograms of water are there?
有药水30.3千克，其中药粉和水的比是1：100，则水有多少千克．
<gadget id="calculator">1 + 100</gadget>
<output>101</output>

<gadget id="calculator">100 / 101</gadget>
<output>100/101 = around 0.990099</output>

<gadget id="calculator">30.3 * (100/101)</gadget>
<output>30</output>

<result>30</result>