How many liters of water should be added to dilute a 500ml bottle of pesticide 1:25?
把一瓶500毫升的农药按照1：25稀释，需加多少升水？
<gadget id="calculator">500 * 25</gadget>
<output>12_500</output>

<gadget id="calculator">12_500 / 1_000</gadget>
<output>25/2 = around 12.5</output>

<result>25/2 = around 12.5</result>