A liquid medicine is made by mixing medicine and water in a ratio of 1:100. The existing medicine is 1.5kg, how many kilograms of water need to be added to prepare this medicinal solution?
一种药液是由药和水混合成的，它们的比是1：100．现有药1.5kg，需要加多少千克水才能配制成这种药液？
<gadget id="calculator">1 / 100</gadget>
<output>1/100 = around 0.01</output>

<gadget id="calculator">1.5 / (1/100)</gadget>
<output>150</output>

<result>150</result>