You can get a 55% discount on buying vegetable seeds at the Agricultural Expo. Uncle Li saved 90 yuan by buying a batch of seeds. How much is the original price of this batch of seeds?
在农业博览会上购买蔬菜种子可以打五五折，李大爷购买一批种子省了90元，这批种子的原价是多少元？
<gadget id="calculator">55 / 100</gadget>
<output>11/20 = around 0.55</output>

<gadget id="calculator">1 - (11/20)</gadget>
<output>9/20 = around 0.45</output>

<gadget id="calculator">90 / (9/20)</gadget>
<output>200</output>

<result>200</result>