Uncle Zhang wants to prepare a liquid medicine for rice. The ratio of liquid medicine to water is 1:500. Now there is 1.2kg of liquid medicine. How many kilograms of medicine can be prepared?
张伯伯要为水稻配制一种药水，药液和水质量比是1：500，现在有药液1.2kg，能配制成多少千克药水？
<gadget id="calculator">1 + 500</gadget>
<output>501</output>

<gadget id="calculator">1 / 501</gadget>
<output>1/501 = around 0.001996</output>

<gadget id="calculator">1.2 / (1/501)</gadget>
<output>601.2</output>

<result>601.2</result>