The company plans to use some money to purchase 200 sets of sportswear. Due to the price reduction, it has purchased 250 sets of sportswear with the same amount of money. How much is the price of this kind of sportswear reduced?
公司准备用一些钱采购200套运动服，由于降价，用同样多的钱现采购了250套运动服，这种运动服降价多少
<gadget id="calculator">1 / 200</gadget>
<output>1/200 = around 0.005</output>

<gadget id="calculator">1 / 250</gadget>
<output>1/250 = around 0.004</output>

<gadget id="calculator">(1/200) - (1/250)</gadget>
<output>1/1_000 = around 0.001</output>

<gadget id="calculator">(1/1_000) / (1/200)</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>