The ratio of a pesticide solution to water is 1:100, and the existing solution is 0.5kg, how many kilograms of this pesticide can be prepared? (Solved with proportional knowledge)
一种农药的药液与水的比是1：100，现有药液0.5㎏，能配制这种农药多少㎏？(用比例知识解决)
<gadget id="calculator">1 / 100</gadget>
<output>1/100 = around 0.01</output>

<gadget id="calculator">0.5 / (1/100)</gadget>
<output>50</output>

<gadget id="calculator">50 + 0.5</gadget>
<output>50.5</output>

<result>50.5</result>