What is the price of a commodity after 25% off the original price of 300 yuan?
某商品原价300元打七五折后是多少元．
<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">300 * (3/4)</gadget>
<output>225</output>

<result>225</result>