The original price of a commodity is 200 yuan, and the price is now reduced by 1/4. How much is the current price?
一种商品原价200元，现降价(1/4)，现价多少元？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">200 * (1/4)</gadget>
<output>50</output>

<gadget id="calculator">200 - 50</gadget>
<output>150</output>

<result>150</result>