Farmer Uncle prepares a pesticide at a ratio of 1:50. There is a 200ml bottle of pesticide. How many liters of pesticide can be prepared?
农民伯伯按1：50的比例配制一种杀虫剂，有一瓶200ml的农药，可以配制多少升杀虫剂？
<gadget id="calculator">200 * 50</gadget>
<output>10_000</output>

<gadget id="calculator">10_000 + 200</gadget>
<output>10_200</output>

<gadget id="calculator">10_200 / 1 / 1_000</gadget>
<output>51/5 = around 10.2</output>

<result>51/5 = around 10.2</result>